Roberts Mountain community (Devonian), Roberts Mountain Fm. (Devonian of the United States)

Where: Nevada (38.9° N, 117.9° W: paleocoordinates 16.1° S, 63.6° W)

• coordinate based on political unit

• basin-level geographic resolution

When: hesperius zone, Roberts Mountain Formation, Lochkovian (419.2 - 410.8 Ma)

• "Gedinnian (hesperius Conodont zone)"

Environment/lithology: offshore shelf; limestone

• "ls. outer shelf, overlain by skeletal buildup. BA5"

Size class: macrofossils

Primary reference: J. G. Johnson. 1974. Early Devonian brachiopod biofacies of Western and Arctic North America. Journal of Paleontology 48(4):809-819 [A. Tomasovych/A. Tomasovych]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 590: authorized by Jack Sepkoski, entered by Mike Sommers on 25.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Johnson, Boncot and Murphy, 1967. Johnson, 1974"
Show authors, comments, and common names
Chlorophyceae
 Dasycladales - Dasycladaceae
Verticillopora sp.
Verticillopora sp. Rezak 1959
Conodonta
  -
Conodonta indet.
Conodonta indet. conodont
4 genera, conodonts.
Strophomenata
 Orthotetida - Schuchertellidae
Schuchertella sp.
Schuchertella sp. Girty 1904
 Orthotetida - Chilidiopsidae
"Iridostrophia sp." = Iridistrophia
"Iridostrophia sp." = Iridistrophia Havlicek 1965
originally entered as "Iridistrophia sp."
 Orthotetida - Areostrophiidae
Aesopomum sp.
Aesopomum sp. Havlicek 1965
originally entered as "Aesopmum sp."
 Strophomenida -
Strophomenida indet.
Strophomenida indet. Opik 1934
indet. orthotetaceans
 Strophomenida - Strophonellidae
Strophonella sp.
Strophonella sp. Hall 1879
 Strophomenida - Rafinesquinidae
Leptaena sp., Lepidoleptaena sp.
Leptaena sp. Dalman 1828
Lepidoleptaena sp. Havlicek 1963
 Strophomenida - Amphistrophiidae
Mesodouvillina sp.
Mesodouvillina sp. Williams 1950
 Strophomenida - Leptostrophiidae
Leptostrophia sp.
Leptostrophia sp. Hall and Clarke 1892
 Strophomenida - Leptaenoideidae
Leptaenisca sp.
Leptaenisca sp. Beecher 1890
Rhynchonellata
 Atrypida - Atrypinidae
Atrypina sp., Spirigerina sp.
Atrypina sp. Hall and Clarke 1893
Spirigerina sp. d'Orbigny 1849
 Atrypida - Atrypidae
"Sibirispira sp." = Spinatrypina, Atrypa sp.
"Sibirispira sp." = Spinatrypina Rzhonsnitskaya 1964
Atrypa sp. Dalman 1828
2 species
 Atrypida - Septatrypidae
"Dubaria sp." = Septatrypa
"Dubaria sp." = Septatrypa Kozlowski 1929
 Atrypida - Glassiidae
"Cryptatrypa sp." = Glassia
"Cryptatrypa sp." = Glassia Davidson 1881
2 species
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
 Athyridida - Rhynchospirinidae
Rhynchospirina sp.
Rhynchospirina sp. Schuchert and LeVene 1929
 Athyridida - Meristellidae
Meristella sp., Meristina sp.
Meristina sp. Hall 1867
 Athyridida - Nucleospiridae
Nucleospira sp.
Nucleospira sp. Hall 1859
 Pentamerida - Gypidulidae
Gypidula sp.
Gypidula sp. Hall 1867
3 species
 Pentamerida - Parastrophinidae
Anastrophia sp.
Anastrophia sp. Hall 1867
 Orthida - Hesperorthidae
Ptychopleurella sp.
Ptychopleurella sp. Schuchert and Cooper 1931
 Orthida - Dicoelosiidae
Dicoelosia sp.
Dicoelosia sp. King 1850
 Orthida - Dalmanellidae
Resserella sp., Protocortezorthis sp., Tyersella sp.
Resserella sp. Bancroft 1928
 Orthida - Rhipidomellidae
Dalejina sp.
Dalejina sp. Havlicek 1953
 Orthida - Schizophoriidae
Schizophoria sp.
Schizophoria sp. King 1850
3 species
 Orthida - Draboviidae
Salopina sp.
Salopina sp. Boucot 1960
 Protorthida - Skenidiidae
Skenidioides sp.
Skenidioides sp. Schuchert and Cooper 1931
 Spiriferida - Cyrtinopsidae
Megakozlowskiella sp.
 Spiriferida - Delthyrididae
Howellella sp.
Howellella sp. Kozlowski 1946
 Spiriferida - Reticulariidae
Undispirifer sp.
 Spiriferida - Ambocoeliidae
Metaplasia sp.
 Rhynchonellida - Trigonirhynchiidae
Ancillotoechia sp.
Ancillotoechia sp. Havlicek 1959
 Rhynchonellida - Glossinotoechiidae
Eoglossinotoechia sp.
 Rhynchonellida - Hebetoechiidae
Hebetoechia sp., Sphaerirhynchia sp.
Hebetoechia sp.
2 species
Sphaerirhynchia sp. Cooper and Muir-Wood 1951
2 species
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet.
Stromatoporoidea indet. stromatoporoid sponge
stromatoporoids
 Actinostromatida - Actinostromatidae
Actinostroma sp.
Actinostroma sp. Nicholson 1886 stromatoporoid sponge
Anthozoa
 Rugosa -
Rugosa indet.
Rugosa indet. horn coral
chonophylloid coral
 Stauriida - Mucophyllidae
Mucophyllum sp.
Mucophyllum sp. Etheridge 1894 horn coral
 Stauriida - Stereolasmatidae
Stereolasma sp.
Stereolasma sp. Simpson 1900 horn coral
 Stauriida - Spongophyllidae
Spongophyllum sp.
Spongophyllum sp. Milne-Edwards and Haime 1851 horn coral
 Stauriida - Ptenophyllidae
? Australophyllum sp.
? Australophyllum sp. Stumm 1949 horn coral
originally entered as "? Australophyllum sp."
 Stauriida - Pycnostylidae
Pycnostylus sp.
Pycnostylus sp. Whiteaves 1884 horn coral
 Stauriida - Kyphophyllidae
Strombodes sp.
Strombodes sp. Schweigger 1819 horn coral
 Favositida - Pachyporidae
Cladopora sp.
Cladopora sp. Hall 1851 tabulate coral
 Favositida - Favositidae
Favosites sp.
Favosites sp. Lamarck 1816 tabulate coral
 Auloporida - Aulocystidae
Aulocystis sp.
Aulocystis sp. Schlüter 1885 tabulate coral