Where: Utah (39.3° N, 113.3° W: paleocoordinates 4.3° S, 91.6° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Ptychagnostus atavus trilobite zone, Wheeler Shale Formation, Marjumian (504.5 - 497.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: deep-water; shale
Size class: macrofossils
Preservation: mold/impression, soft parts
Primary reference: S. Pates, R. Lerosey-Aubril, A.C. Daley, C. Kier, E. Bonino and J. Ortega-Hernandez. 2021. The diverse radiodont fauna from the Marjum Formation of Utah, USA (Cambrian: Drumian). PeerJ 9:1-43 [P. Novack-Gottshall/P. Novack-Gottshall]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 230682: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 12.07.2023
Creative Commons license: CC BY (attribution)
Taxonomic list
Fuxianospira girata | |
Fuxianospira girata Chen and Zhao 1997 | |
Bryopsidophyceae | |
Margaretia dorus Walcott 1931 | |
Sinocylindra | |
Sinocylindra sp. Chen and Erdtmann 1991 | |
Morania fragmenta | |
Morania fragmenta Walcott 1919 | |
Marpolia spissa | |
Marpolia spissa Walcott 1919 | |
unclassified | |
Arthropoda "indet. A" Latreille 1829 | |
Artiopoda | |
Naraoia compacta Walcott 1912 | |
Trilobita | |
Asaphiscus wheeleri Meek 1873 trilobite | |
Brachyaspidion microps trilobite
Brachyaspidion sulcatum trilobite | |
Ptychoparella lloydi Robison and Babcock 2011 trilobite | |
Bolaspidella reesae Robison and Babcock 2011 trilobite
Bolaspidella housensis Walcott 1886 trilobite | |
Modocia brevispina trilobite
Modocia kohli Robison and Babcock 2011 trilobite | |
Ehmaniella whietei trilobite
Jenkinsonia varga trilobite
Altiocculus harrisi Robison 1971 trilobite
"Elrathia kingii" = Elrathia kingi Meek 1870 trilobite | |
Bathyuriscus fimbriatus Robison 1964 trilobite
Hemirhodon amplipyge trilobite | |
Zacanthoides spinosus Walcott 1884 trilobite | |
Olenoides nevadensis Meek 1870 trilobite | |
Artiopoda | |
"Peronopsis segmenta" = Pentagnostus (Meragnostus) segmenta, Peronopsis montis, Peronopsis scutilis, "Peronopsis gaspensis" = Itagnostus gaspensis, Itagnostus interstrictus, "Peronopsis depressa" = Quadragnostus depressa
"Peronopsis segmenta" = Pentagnostus (Meragnostus) segmenta Robison 1964
"Peronopsis gaspensis" = Itagnostus gaspensis Rasetti 1948
Itagnostus interstrictus White 1874
"Peronopsis depressa" = Quadragnostus depressa Westergård 1946 | |
"Ptychagnostus gibbus" = Triplagnostus gibbus, Lejopyge seminula, "Ptychagnostus occultatus" = Acidusus occultatus, Ptychagnostus sinicus, Ptychagnostus atavus, Ptychagnostus cuyanus
"Ptychagnostus gibbus" = Triplagnostus gibbus Linnarsson 1869
"Ptychagnostus occultatus" = Acidusus occultatus Öpik 1979
Ptychagnostus sinicus Lu 1957
Ptychagnostus atavus Tullberg 1880
Ptychagnostus cuyanus Rusconi 1948 | |
Hypagnostus parvifrons Linnarsson 1869 | |
"Peronopsis acadica" = Acadagnostus acadica
"Peronopsis acadica" = Acadagnostus acadica Hartt 1868 | |
Dicranocaris guntherorum | |
Dicranocaris ? guntherorum Briggs et al. 2008 | |
Amplectobelua cf. stephenensis Daley and Budd 2010 | |
? Anomalocarididae "gen. et sp. nov." Raymond 1935 | |
Pahvantia hastata Robison and Richards 1981
? Stanleycaris sp. Caron et al. 2010
Peytoia nathorsti Walcott 1911
Buccaspinea ? cooperi Pates et al. 2021 | |
Caryosyntrips serratus Daley and Budd 2010 | |
Deuteropoda | |
Pseudoarctolepis sharpi Brooks and Caster 1956 | |
? Perspicaris dilatus Robison and Richards 1981 | |
Isoxys longissimus Simonetta and Delle Cave 1975 | |
Megacheira | |
Kanoshoia rectifrons Lerosey-Aubril et al. 2020
Leanchoilia cf. illecebrosa Hou 1987 | |
Messorocaris magna Lerosey-Aubril and Skabelund 2018 | |
Thelxiope spinosa Conway Morris and Robison 1988
Thelxiope holmani Lerosey-Aubril et al. 2020
Mollisonia symmetrica Walcott 1912 | |
unclassified | |
Annelida "worm indet. A" Lamarck 1809
Annelida "worm indet. B" Lamarck 1809 | |
Hyolitha | |
? Hyolithes spp. d'Eichwald 1840 | |
Brachiopoda | |
Rhynchonelliformea indet. Williams et al. 1996 | |
Paterinata | |
Dictyonina sp. Cooper 1942 | |
Lingulata | |
Acrothyra minor Walcott 1905 | |
Lingulella spp. Salter 1866 | |
Acrothele subsidua White 1874 | |
Helcionelloida | |
Mellopegma georginensis Runnegar and Jell 1976 | |
Pterobranchia | |
Tarnagraptus sp. Sdzuy 1974 graptolite | |
Enteropneusta | |
Spartobranchus sp. Caron et al. 2013 | |
Stylophora | |
Archaeocothurnus bifida Ubaghs and Robison 1988 | |
Soluta | |
Coleicarpus sprinklei Daley 1996 | |
Eocrinoidea | |
Gogia spiralis Robison 1965 | |
Coeloscleritophora | |
Hexactinellida | |
? Reticulosa "gen. et sp. indet." Reid 1958 glass sponge | |
Valospongia sp. Rigby 1971 glass sponge | |
Kiwetinokia utahensis Walcott 1920 glass sponge
? Diagoniella sp. Rauff 1894 glass sponge
Diagoniella robisoni Rigby 1978 glass sponge
Diagoniella cyathiformis Dawson and Hinde 1889 glass sponge | |
Demospongiae | |
"Sentinella draco" = Sentinelia
"Sentinella draco" = Sentinelia demosponge | |
Lenica cf. hindei demosponge
Choia carteri Walcott 1920 demosponge
Choia utahensis Walcott 1920 demosponge | |
Medusae | |
Hydrozoa | |