Where: Alaska (56.9° N, 134.2° W: paleocoordinates 9.5° N, 61.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Pybus Formation, Wordian (266.9 - 264.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified limestone
Size class: macrofossils
Preservation: replaced with silica
Collected by Wright in 1904
Primary reference: R. E. Grant. 1971. Taxonomy and autecology of two arctic Permian rhynchonellid brachiopods. Smithsonian Contributions to Paleobiology 3:313-335 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 109334: authorized by Matthew Clapham, entered by Matthew Clapham on 15.05.2011, edited by Sarah Kolbe
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
"Dielasma" sp. Beede and Rogers 1900 | |
""Spiriferina" aff. cristata" = Spiriferellina cristata
""Spiriferina" aff. cristata" = Spiriferellina cristata von Schlotheim 1816 | |
"Cleiothyridina" sp. Buckman 1906 | |
Septacamera stupenda Grant 1971 | |
"Rhynchopora" aff. nikitini Tschernyschew 1889
"Rhynchopora" aff. geinitziana de Verneuil 1845 | |
""Spirifer" aff. marcoui" = Betaneospirifer marcoui, ""Spirifer" aff. blasii" = Blasispirifer blasii
""Spirifer" aff. marcoui" = Betaneospirifer marcoui Waagen 1883
""Spirifer" aff. blasii" = Blasispirifer blasii de Verneuil 1845 | |
""Spirifer" arcticus" = Spiriferella arctica
""Spirifer" arcticus" = Spiriferella arctica Haughton 1858 | |
""Spirifer" aff. dieneri" = Paeckelmanella dieneri
""Spirifer" aff. dieneri" = Paeckelmanella dieneri Tschernyschew 1902 | |
""Spirifer" aff. alatus" = Pterospirifer alatus
""Spirifer" aff. alatus" = Pterospirifer alatus von Schlotheim 1813 | |
"Squamularia" sp. Gemmellaro 1899 | |
Strophomenata | |
""Productus" aff. humboldti" = Waagenoconcha humboldti
""Productus" aff. humboldti" = Waagenoconcha humboldti d'Orbigny 1842 | |
"Productus" sp., ""Productus" aff. occidentalis" = Rugatia occidentalis, ""Productus" aff. gruenewaldti" = Chaoiella gruenewaldti
""Productus" aff. occidentalis" = Rugatia occidentalis Newberry 1861
""Productus" aff. gruenewaldti" = Chaoiella gruenewaldti Krotov 1888 | |
""Productus" aff. timanicus" = Sowerbina timanica, ""Productus" aff. mammatus" = Yakovlevia mammata
""Productus" aff. timanicus" = Sowerbina timanica Stuckenberg 1875
""Productus" aff. mammatus" = Yakovlevia mammata Keyserling 1846 | |
""Productus" aff. lineatus" = Linoproductus lineatus, ""Productus" aff. aagardi" = Megousia aagardi
""Productus" aff. lineatus" = Linoproductus lineatus Waagen 1884
""Productus" aff. aagardi" = Megousia aagardi Toula 1875 | |
"Streptorhynchus" aff. pelargonatus von Schlotheim 1816 | |
"Chonetes" spp. Fischer de Waldheim 1830 | |
Stenolaemata | |
"Stenopora" sp. Lonsdale 1844 | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Anthozoa | |
"? Zaphrentis sp." = Zaphrenthis
"? Zaphrentis sp." = Zaphrenthis Rafinesque and Clifford 1820 horn coral |