List Of Ediacaran Trace Fossils

The list of Ediacaran trace fossils presented in Table 1 includes the main reports of Ediacaran trace fossils known to us. We are under no illusion that this constitutes a complete listing of Ediacaran trace fossils and it is certainly weaker in some geographic areas. The list does not include occurrences that have only been reported from abstracts. Taxa that are generally considered body fossils but for which a trace fossil interpretation has been discussed, such as Beltanelliformis and Nemiana, are not included in the list but are briefly discussed in the text below. The list is restricted to occurrences that with reasonable confidence are Ediacaran (ca. 635-542 Ma, e.g., Knoll et al., 2004a,b; Condon et al., 2005). There are numerous successions that are known as Precambrian-Cambrian but where more precise age constraints are lacking. For example, Webby (1970) described several types of trace fossils including Planolites ballandus and Curvolithus? davidis from the Lintiss Vale Beds of New South Wales, which he initially assigned a latest Proterozoic age, and later (Webby 1984) suggested to be older than the basal Cambrian Uratanna Formation. This unit contains trace fossils that potentially are of great interest to the discussion of latest Ediacaran trace fossil zonation, but pending further constraints we follow Walter et al. (1989) in considering it Cambrian. Another example is the Puncoviscana Formation of northern Argentina which is thought to straddle the Ediacaran-Cambrian boundary, and includes reports of Ediacaran trace fossils (e.g., Acenolaza and Alonso, 2001). The Puncoviscana Formation is notable as one of relatively few units that yield both shallow and deep-water early Cambrian trace fossils (e.g., Buatois and Mangano, 2004; Acenolaza, 2004). A considerable number of ichnotaxa have been reported and been the topic of ichnotaxonomic re-evaluations (see Buatois and Mangano, 2003, 2004, 2005). However, at present there exist no compelling evidence that any of the Puncoviscana trace fossils are Ediacaran (Buatois and Mangano, 2005).

Several reports from the former Soviet Union of latest Vendian (Rovno, Nemakit Daldynian) trace fossils (e.g., Palij et al., 1979; Bekker and Kishka, 1991) are not included as they are likely Cambrian as formally defined.

Below we briefly explain the different posts and the construction of the table.

Ichnotaxa: Reports are listed alphabetically following the identification of a principal reference. For the sake of consistency, sp. (species) has been changed to isp. (ichnospecies). Where there have been substantial taxonomic reassignments, it is noted in interpretation and comments.

Reference: This gives a paper, or papers, that provides the fullest description and/or illustration of the specific structure. Because ichnotaxonomy is not a primary aim of this paper, the references do not necessarily include the paper where the taxon was erected.

Location: This provides basic information on the geographic and stratigraphic setting. An attempt has been made to give widely used and up-to-date lithostratigraphic nomenclature. For reasons of convenience, we have retained Ust Pinega Formation instead of the more detailed lithostratigraphic nomenclature of Grazhdankin (2003)

Age: The following main categories of age constraints are used. Usually only one age constraint is listed, even though more may be available.

t - Occurrence stratigraphically below the lowest local occurrence of Cambrian-type trace fossils. This evidence must be treated as tentative.

c - Occurrence with or stratigraphically below the weakly biomineralized tubular fossil Cloudina. Cloudina is currently considered to be terminal Ediacaran with a stratigraphic range of ca 550-542 Ma (Grant, 1990; Grotzinger et al., 1995; Amthor et al, 2003).

e - Occurrence with or in close stratigraphic proximity to core Ediacara-type body fossils for which there is no post-Ediacaran record, such as Dickinsonia and Tribrachidium. This stratigraphic relationship provides undisputed evidence for an Ediacaran age.

a - Occurrence constrained by disc-shaped fossils such as Aspidella, strongly suggesting an Ediacaran age.

p - Occurrence with or in close stratigraphic proximity to palaeopascichnids. These have a long Ediacaran stratigraphic range (Gehling et al., 2000), and are not known from younger strata. r - Occurrence constrained by radiometric ages.

Interpretation and comments: Wherever possible we have evaluated the published occurrences if they are credible trace fossils. Ideally such evaluations should be based on a first-hand examination of the material. Considering the geographic spread of the material this is hardly practical. Nevertheless, we believe that our experience in studying Ediacaran material from Australia, Namibia, and the White Sea region makes it possible to do meaningful evaluations for other regions, where this is permitted by detailed descriptions and high-quality illustrations. Our experience is that the diversity of trace fossils has been greatly inflated; therefore evaluation of all material is made with the same critical eyes. In so doing it is certainly possible that we have in some cases been in error in disputing previous interpretations. The following symbols are used.

T - Identification as trace fossil accepted. This only means that a trace fossil interpretation is likely and further studies may change the evaluation. This in particular applies to simple horizontal forms without unequivocal evidence for sediment diplacement.

T? - Identification as trace fossil problematic

? - The published information does not allow for a critical evaluation.

* - An interesting form that requires further documentation.

- - Not accepted as a trace fossil.

Table 1. List of Ediacaran trace fossils.

Ichnotaxon

Reference

Location

Annulusichnus regularis

Zhang '86

Yangtze platform, Dengying Fm.

Archaeichnium haughtoni

Glaessner '77

Namibia, Nasep Mbr.

Archaeonassa isp

Jensen '03

White Sea area, Ust Pinega Fm.

Arenicolites isp.

Banks '70

N. Norway, Innerelv Mbr.

Arthrophycus isp.

Lin et al. '86

Yangtze platform, Dengying Fm.

Asterichnus vialovi

Gureev '84

Ukraine, Mogilev Fm.

cf. Asterichnus isp.

Jenkins '95

South Australia, Ediacara Mbr.

Aulichnites isp.

Jenkins '95

South Australia, Ediacara Mbr.

Aulichnites isp.

Narbonne and Aitken '90

NW Canada, Blueflower Fm.

Aulichnites isp.

Fedonkin '80, '85

White Sea area, Ust Pinega Fm.

Bergaueria isp.

Crimes and Germs '82

Namibia, Kuibis Subgr.

Bergaueria isp.

Fedonkin'81

Ukraine, Mogilev Fm.

Bilinichnus simplex

Palij etal. '79

White Sea area, Ust Pinega Fm.

Bilinichnus isp

Shanker et al. '97

N. India, ?Krol Gr.

Brooksella isp.

Crimes and Germs '82

Namibia, Kuibis Subgr.

Age Interpretation and comments

Tubular fossil: Glaessner '77

Body fossil, Gaojiashania ? Hiemalora?

Pseudofossil: Farmer et al. '92 ^

o o e T a c - Dubiofossil; Intrites: Mcllroy et al. '05

e - Gaojiashania ?

e ? Trace fossil or pseudofossil?

t? ? Pseudofossil?

c ? Pseudofossil?

Table 1 (Continued). Bucerusichnus octoideus

Bucerusichnus gaojiashanensis

Buchholzbrunnichnus kroeneri

Bunyerichnus dalgarnoi

Bunyerichnus isp

Catellichnus oktonarius

Chomatichnus loevcensis

Chondrites isp

Chondrites isp A, B

Chondrites isp.?

? Chondrites isp.

Circuiichnus montanus

Circuiichnus isp

Cochiichnus isp.

Cochiichnus isp.2

Codonichnus wujiensis

Cyiindrichnus isp.

Dengyingeila shihantanensis

Li etal '92 Zhang '86 Germs '73 Glaessner'69 Bekker '92

Bekker and Kishka '89 Gureev'81/84 Jenkins '95 Wu and Li '87 Crimes and Germs '82 Li etal. '92

Sokolov '97

Cope '83

Palij etal. '79

Glaessner '69

Yangtze platform, Dengying Fm. Yangtze platform, Dengying Fm. Namibia, Kuibis Subgr. South Australia, Bunyeroo Fm Urals area, Bakeevsko Fm. Urals area, Basinska Fm. Ukraine, Zhamovka Fm. South Australia, Ediacara Mbr. Xingjiang? Namibia, Nudaus Fm. Yangtze platform, Dengying Fm. Ukraine, Danilovka Fm. White sea area, Ust Pinega Fm. Wales

Ukraine, Mogilev Fm. Yangtze platform, Dengying Fm. South Australia, Ediacara Mbr. Yangtze platform, Dengying Fm.

c T? If trace fossil, not a new igen, c? T? If trace fossil, not a new igen, c - Probably body fossil e - Pseudofossil: Jenkins etal. '81

p ? Dubiofossil, p - Palaeopascichnid t,p ? Water escape structures?

e * Body fossil or trace fossil?

Flattened tubular organism?

c T Coincidence of simple traces?

c ? No resemblance to Chondrites t,p - Nimbia: Hofmann et al. '90

e - Nimbia p T Heiminthoidichnites tenuis. Runnegar '92

00 M

Tubular fossil i—j

Tubular fossil or trace fossil I-1

Table 1 (Continued).

Didymaulichnus cf. miettensis

Gureev '84

Ukraine, Mogilev Fm.

Didymaulichnus isp.

Poire et al. '84

Argentina, Sierra Bayas Fm.

Diplocraterion isp.

Crimes and Germs '82

Namibia, Nudaus Fm.

Eilscaptichnus

Li and Ding '96

China, Doushantou Fm.

Funisichnus grammatus

Li etal. '92

Yangtze platform, Dengying Fm.

Funisichnus wuheensis

Li etal. '92

Yangtze platform, Dengying Fm.

Gordia arcuata?

Gibson '89

North Carolina, Floyd Church Mbr.

Gordia äff. arcuata

Vidal et al. '94

Spain, Domo Extremeño Gp.

Gordia marirta

Narbonne and Hofmann '87

NW Canada, Blueflower Fm.

Gordia marirta

Shanker et al. '97

N. India, ?Krol Gp.

Gordia marirta

Langri et al. '03

Bhutan, Deschiling Fm.

Gordia marirta

Vidal etal. '94

Spain, Domo Extremeño Gp.

Gordia isp. cf. G. marirta

Mathur and Shanker '89

N. India, (upper) Krol Gp.

Gordia isp.

Pazesna '86

Poland, Lublin Fm.

Gordia isp.

Vidal etal. '94

Spain, Domo Extremeño Gp.

Gordia isp.

Jenkins '95

South Australia, Ediacara Mbr.

Harlaniella podolica

Sokolov'72, Palij etal. '79

Ukraine, Studenitsa Fm.

Harlaniella podolica

Narbonne et al. '87

Newfoundland, Chapel Island Fm.

T? Age constraint? 2

T* Documentation of spreite needed o

T? Circulichnus: Seilacher etal. '05

?t - Dubiofossil

a c ? Trace fossil or tubular organism i—}

c ? Trace fossil or tubular organism O

?t - Dubiofossil t T? Not Gordia t,c ? Trace fossil or tubular organism e T?

t - Palaeopascichnid?

t - Palaeopascichnid?

Table 1 (Continued). cf. Harlaniella isp. Helanoichnus helanensis Helminthoida helanshanensis Helminthoida isp. Helminthoida isp. Helminthoidichnites tenuis Helminthoidichnites isp. Helminthoidichnites isp. Helminthopsis aheli Helminthopsis irregularis Helminthopsis quanjishanensis 1 Helminthopsis isp. Hormosiroidea arumhera Intrites punctatus Intrites punctatus Intrites cf. punctatus Linbotulichnus Lockeia isp.

Jenkins '95

Yang and Zheng '85

Xing etal. '85

Fedonkin '85

Narbonne and Aitken '90

Narbonne and Aitken '90

Hagadorn and Waggoner '00

Corsetti and Hagadorn '03

Narbonne and Aitken '90

Narbonne andAitken '90

Gibson '89

Walter etal. '89

Fedonkin '80

Bekker '92

Li and Ding '96

Narbonne and Aitken '90

South Australia, Ediacara Mbr. e

Ningxia, Zhengmuguan Fm. ?

Ningxia, Zhengmuguan Fm. ?

White Sea area, Ust Pinega Fm. t

NW Canada, Blueflower Fm. t

NW Canada, Blueflower Fm. t

Nevada Wood Canyon Fm. t

California, Wyman Fm. c

NW Canada, Blueflower Fm. t

NW Canada, Blueflower Fm. t

Yangtze platform, Dengying Fm. c

North Carolina, Floyd Church Mbr. e

Cent.Australia, Central Mt. Stuart Fm. t,e?

White Sea area, Ust Pinega Fm. e

Urals area, Bakeevsko Fm. p

Yangtze platform, Dengying Fm.. c

China, Doushantou Fm. r

NW Canada, Blueflower Fm. t

Lubular fossil? Flattened tubular organism? Same as Helanoichnus helanensis Lubular organism?

Lrace fossil or tubular organism?

Similar to Helanoichnus helanensis Lrace fossil or tubular organism?

Palaeopascichnid (pars?)

Dubiofossil

Biogenic?

Assignment dubious

00 M

Table 1 (Continued).

Lockeia isp.

McMenamin '96

Mexico, Clemente Fm.

cf. Lockeia isp.

Jenkins '95

South Australia, Ediacara Mbr.

Margaritichnus linearis

Fedonkin '76

White Sea area, Ust Pinega Fm.

Medvezichnus pudicum

Fedonkin '85

White Sea area, Ust Pinega Fm.

Microspiroiithus tianquanensh

Yang etal. '82

Sichuan

Monocraterion isp.

Gureev '84

Ukraine, Studenitsa Fm.

? Monocraterion isp.

Gibson '89

North Carolina, Tillery Fm.

cf. Monomorphichnus isp

Jenkins '95

South Australia, Ediacara Mbr.

cf. Monomorphichnus isp

Waggoner and Hagadorn '02

Nevada,Wood Canyon Fm.

Muensteria isp

Germs '72

Namibia, Huns Mbr.

cf. Muensteria isp

Jenkins '95

South Australia, Ediacara Mbr.

Nenoxites curvus

Fedonkin '76

White Sea area, Ust Pinega Fm.

Neonereites hiserialis

Palij et.al. '79, Fedonkin'81

White Sea area, Ust Pinega Fm.

Neonereites hiserialis

Gibson '89

North Carolina, Floyd Church Mbr.

Neonereites dengyingensis

Li etal. '92

Yangtze platform, Dengying Fm.

Neonereites renarius

Fedonkin '80

White Sea area, Ust Pinega Fm.

Neonereites renarius

Jenkins '95

South Australia, Ediacara Mbr.

t - Dubiofossil e - Body fossil

o e - Neonereites uniserialis: Fedonkin '81 O

e * Unique specimen r"1"

77 l-rt

Probably inorganic: Seilacher etal. '05

T See Radulichnus pj o o>

? Tool mark or trace fossil?

O vs vs

Cast of Cloudina &

Tubular fossil r>

T?* Seilacher et al '05 support trace fossil Palaeopascichnid

Palaeopascichnid

Palaeopascichnid csj

Table 1 (Continued).

Neonereites renarius

Gehling et al. '00

Newfoundland, Fermeuse Fm.

Neonereites uniserialis

Palij etal. '79, Fedonkin '81

White Sea area, Ust Pinega Fm.

Neonereites uniserialis

Jenkins '95

South Australia, Ediacara Mbr.

Neonereites uniserialis

Chistyakov et al. '84

White Sea area (Onega)

Neonereites uniserialis

Yang and Zheng '85

Ningxia, Zhengmuguan Fm.

Neonereites uniserialis

Gibson '89

North Carolina, Floyd Church Mbr

Neonereites uniserialis

Brasier and Mcllroy '98

Scotland, Bonhaven Fm.

Neonereites cf. uniserialis

Li etal. '92

Yangtze platform, Dengying Fm.

Neonereites isp.

Lin et al. '86

Yangtze platform, Dengying Fm.

Neonereites isp?

Narbonne and Hofmann '87

NW Canada, Blueflower Fm.

Neonereites isp?

Narbonne and Aitken '90

NW Canada, Blueflower Fm.

?Neonereites isp.

Gibson '89

North Carolina, Floyd Church Mbr.

Nereites isp.

Crimes and Germs '82

Namibia, Nudaus Fm.

cf.Nereites isp.

Jenkins '95

South Australia, Ediacara Mbr.

Ningxiaichnus minimum

Yang and Zheng '85

Ningxia, Zhengmuguan Fm.

Ningxiaichnus suyukouensis

Yang and Zheng '85

Ningxia, Zhengmuguan Fm.

Oldhamia recta

Seilacher et al. '05

North Carolina, Floyd Church Mbr.

Palaeopascichnid Palaeopascichnid Palaeopascichnid Palaeopascichnid Palaeopascichnid

r - Dubiofossil: Brasier and Shields '00

t T? Poorly preserved treptichnid?

e T? Treptichnusl isp: Seilacher etal. '05

c T Archeonassa-type trace fossil ^

e T Archeonassa-type trace fossil

? - Palaeopascichnid: Shen etal. in pres Ep

? - Palaeopascichnid: Shen etal, in pres ^

e T? Trace fossil or tubular fossil? I-1

Table 1 (Continued). Palaeohelminthoida isp. Palaeopascichnus delicatus Palaeopascichnus delicatus Palaeopascichnus delicatus Palaeopascichnus delicatus Palaeopascichnus delicatus Palaeopascichnus cf. delicatus Palaeopascichnus cf. delicatus Palaeopascichnus sinuosus Palaeopascic. wangjiawanensis Palaeophycus tubularis Palaeophycus tubularis Palaeophycus tubularis Palaeophycus tubularis Palaeophycus tubularis cf. Palaeophycus tubularis Palaeophycus isp. A, B

Gehling '91, Jenkins '95 Palij '76 Paczesna '86

Palij etal. '79, Fedonkin'81 Gehling etal. '00 Narbonne et al. '87 Jenkins '95 Lin et al. '86 Fedonkin '81 Yin etal. '93 Jenkins '95 Jenkins et al. '92 Narbonne and Aitken '90 McMenamin '96 Bartley etal. '98 Waggoner and Hagadorn '02 Geyer and Uchman'95

South Australia, Ediacara Mbr. Ukraine, Studenitsa Fm. Poland, Lublin Fm. White Sea area, Ust Pinega Fm. Newfoundland, Fermeuse Fm. Newfoundland, Chapel Island Fm. South Australia, Ediacara Mbr. Yangtze platform, Dengying Fm. White Sea area, Ust Pinega Fm. China, Yunnan

South Australia, Ediacara Mbr. Centr. Austral., Grant Bluff Fm. NW Canada, Blueflower Fm. Mexico, Clemente Fm. Siberia, Platonovska Fm. Nevada, Wood Canyon Fm. Namibia, Nasep Mbr.

Palaeopascichnid

Palaeopascichnid?

Palaeopascichnid

Palaeopascichnid

Palaeopascichnid

Palaeopascichnid

Palaeopascichnid

Palaeopascichnid?

Palaeopascichnid

Palaeopascichnid

Tubular fossil?

Dubiofossil

Could be Cambrian: Bartley et al. 98

Table 1 (Continued).

Parascalaritubus ningxiaensis

Yang and Zheng'85

Yangtze platform, Dengying Fm.

? Pelecypodichnus isp.

Zhang'86

Yangtze platform, Dengying Fm.

Phycodes! n. isp.

Linan and Palacios '87

Spain, Domo Extremeño Gp.

Plagiogmus isp

Cloud and Nelson '66

California, Deep Springs Fm.

Planolites annularis

Zhang'86

Yangtze platform, Dengying Fm.

Planolites ballandus

Walter etal. '89

Centr. Austral., Elkera Fm.

Planolites beverleyensis

Jenkins '95

South Australia, Ediacara Mbr.

Planolites beverleyensis

Bartley etal. '98

Siberia, Platonovska Fm.

Planolites beverleyensis

Gibson '89

North Carolina, Floyd Church Mbr.

Planolites beverleyensis

Zhang '86

Yangtze platform, Dengying Fm.

Planolites liantuoensis

Ding etal. '93

Yangtze platform, Dengying Fm.

Planolites montanus

Jenkins et al. '92

Centr. Austral., Grant Bluff Fm.

Planolites montanus

Narbonne and Aitken '90

NW Canada, Blueflower Fm.

Planolites montanus

Alpert '75

California, Deep Springs Fm.

Planolites montanus

Gibson '89

North Carolina, Floyd Church Mbr.

Planolites isp. cf. P. montanus

Geyer and Uchman '95

Namibia, Nasep Mbr.

Planolites reticulatus

Isakov '90

Siberia, Aldan

Same as Helminthopsis quanjishanensis c? ?

t ? Probably body fossil: cf. Alpert '74

c? - Probably the tubular fossil Gaojiashania t,e? T

t T Could be Cambrian: Bartley etal. 98

e T? H. tenuis. Narbonne and Aitken '90

Filled shrinkage cracks

Table 1 (Continued).

Pianoiites sinensis

Li etal. '92

Yangtze platform, Dengying Fm.

Planolites taishanmiaoensis

Ding etal. '85

Yangtze platform, Dengying Fm.

Pianoiites isp.

Acenolaza et al. '98

Uruguay, Lavalleja Gp.

Planolites isp.

Fedonkin'76

White Sea area, Ust Pinega Fm.

Pianoiites isp.

Lin etal.'86

Yangtze platform, Dengying Fm.

Planolites isp.

Sovetov and Komlev '05

Siberia, Marnya Fm.

Planolites isp.

Tangri et al. '03.

Bhutan, Deshichling Fm.

Planolites isp. A, B

Wu and Li '87

China, Xingjiang?

cf.Planolites isp.

Jenkins '95

South Australia, Ediacara Mbr.

Planotaenichnus

Li and Ding '96

China, Doushantou Fm.

Psammichnites isp.

Jenkins '95

South Australia, Ediacara Mbr.

Raduiichnus isp.

Seilacher '95,'97

South Australia, Ediacara Mbr.

Scoiecocoprus isp

Germs '72

Namibia, Huns Mbr.

Scolicia isp?

Germs '72

Namibia, Huns Mbr.

cf. Scolicia isp?

Hagadorn and Waggoner '00

Nevada, Wood, Canyon Fm.

Shaanxilithes ningqiangensis

Lin et al. '86

Yangtze platform, Dengying Fm.

Shaanxilithes erodus

Zhang '86

Yangtze platform, Dengying Fm.

T? Gordia or tubular fossil

T Planolites ballandusl

Filled shrinkage cracks o m ÖJ

? Flattened tubular organism? W

e T Awaiting description c - Cast of Cloudina c - Cast of Cloudina t T? Trace fossil or body fossil?

c - Tubular fossil: Shen et al. in press c ? Tubular fossil: Shen et al. in press oo

Table 1 (Continued). Shipaitubulus baimatouensis Skolithos declinatus Skolithos hubeiensis Skolithos isolatus Skolithos miaoheensis Skolithos isp Skolithos isp Skolithos isp. B Skolithos isp. ? cf.Spirorhaphe involuta Stelloglyphus isp. Suzmites volutatus Syringomorpha nilssonP. Taenidium cf. serpentinium Taenidium isp. Taenioichnus spiralis Taenioichnus zhengmuguanensis

Chen etal. '81 Fedonkin '85

Zhang '86

Chen etal. '81

Banks '70

Sokolov '97

Geyer and Uchman '95

Germs '72

Jensen '03

Gureev et al. '85

Fedonkin '76

Gibson '89

Jenkins '95

Germs '72

Li and Yang '88

Yang&Zheng 85; Li&Yang'88

China, Xilingxia White Sea area, Ust Pinega Fm. Yangtze platform, Dengying Fm. Yangtze platform, Dengying Fm. Yangtze platform, Dengying Fm. Norway, Innerelv Mbr. White sea area, Ust Pinega Fm. Namibia, Nasep Mbr. Namibia, Kuibis Subgr South Australia, Ediacara Mbr. Ukraine, Nagoryany Fm. White Sea area, Ust Pinega Fm. North Carolina, Floyd Church Mbr. South Australia, Ediacara Mbr. Namibia, Huns Mbr. China, Yunnan China, Yunnan

Pseudofossil: Farmer et al. '92

c T Planolites?

c - Body fossil: Crimes and Fedonkin, 96

e T Unique specimen t - Benthic medusoid e - Tool mark e T? see Oldhamia recta e - Tubular fossil: Droser et al. '05

c - Cast of Cloudina

00 M

? - Flattened tubular organism? ^

Table 1 (Continued).

ITomaculum isp.

Gibson '89

North Carolina, Floyd Church Mbr,

Torrowangea rosei

Narbonne and Aitken '90

NW Canada, Blueflower Fm.

Torrowangea rosei

Geyer and Uchman '95

Namibia, Nasep Mbr.

Torrowangea rosei

Paczesna '86

Poland, Lublin Fm.

Torrowangea rosei

Linan and Palacios '87

Spain, Domo Extremeño Gp.

Torrowangea aff. rosei

Linan and Tejero '88

Spain, Saviñán Fm.

Torrowangea cf. rosei

Lin et al. '86

Yangtze platform, Dengying Fm.

Torrowangea isp.

Zhang '86

Yangtze platform, Dengying Fm.

? Torrowangea isp.

Gibson '89

North Carolina, Floyd Church Mbr,

Trichophycus pedum

Geyer and Uchman '95

Namibia, Nasep Mbr.

Trichophycus tripleurum

Geyer and Uchman '95

Namibia, Nasep Mbr.

Vendichnus vendicus

Palij etal. '79

White Sea area, Ust Pinega Fm.

Vermiforma antiqua

Cloud et al'76

North Carolina, Carolina slate belt

Vimenites bacillaris

Fedonkin '80

White Sea area, Ust Pinega Fm.

Vimenites bacillaris

Acenolaza et al. '98

Uruguay, Lavalleja Gp.

Yelovichnus gracilis

Fedonkin '85

White Sea area, Ust Pinega Fm.

Yelovichnus gracilis

Gehling et al. 00

Newfoundland, Fermeuse Fm.

Palaeopascichnid Palaeopascichnid

Was this article helpful?

0 0

Post a comment