Long Creek (Triassic of the United States)

Where: Alaska (63.2° N, 149.7° W: paleocoordinates 7.3° N, 76.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Norian (228.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• bedded biostromal limestone, composed of bioclastic debris, in-place coral thickets, and large chaetetid colonies

Size class: macrofossils

Primary reference: G. D. Stanley and J. M. Yarnell. 2003. New paleontological investigations of Triassic carbonate rocks in the Upper Chulitna District (Chulitna Terrane), southcentral Alaska. In K. H. Clautice, P. K. Davies (eds.), Short Notes on Alaska Geology 2003. Professional Report of the Division of Geological and Geophysical Surveys Alaska 120:109-116 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97794: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.08.2010, edited by Sarah Kolbe

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Rhynchonellata
 Spiriferinida - Spondylospiridae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Megalodontida - Wallowaconchidae
Wallowaconchidae indet. Yancey and Stanley 1999 clam
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Anthozoa
 Scleractinia - Alpinophylliidae
Alpinophyllia flexuosa Roniewicz 1989 stony coral
 Scleractinia - Reimaniphylliidae
Retiophyllia cf. norica Frech 1890 stony coral
Distichophyllia norica Frech 1890 stony coral
 Scleractinia - Microsolenidae
"Spongiomorpha ramosa" = Eocomoseris ramosa
"Spongiomorpha ramosa" = Eocomoseris ramosa Frech 1890 stony coral
 Scleractinia -
Parastraeomorpha minuscula Roniewicz 1989 stony coral
 Scleractinia - Astraeomorphidae
Astraeomorpha crassisepta Reuss 1854 stony coral
Demospongiae
 Chaetetida - Chaetetidae
Pseudoseptifer sp. Fischer 1970 chaetetid sponge
listed as Pseudoseptifera
 Lithistida - Anthaspidellidae