Iliamna Lake (Triassic of the United States)

Where: Alaska (59.8° N, 154.5° W: paleocoordinates 6.8° N, 80.8° W)

When: Suessi zone, Rhaetian (208.5 - 201.3 Ma)

• JA: originally entered as Norian, but the suessi zone is basal Rhaetian

Environment/lithology: reef, buildup or bioherm; lithified, massive wackestone and lithified bindstone

• Massively bedded, dark limestone. Recrystallized wackestone, skeletal wackestone, packstone, and bindstone facies.

Size class: macrofossils

Primary reference: G. D. Stanley, Jr. 1979. Paleoecology, structure, and distribution of Triassic coral buildups in western North America. The University of Kansas Paleontological Contributions 65:1-68 [A. Miller/S. Kolbe]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 100532: authorized by Arnold Miller, entered by Sarah Kolbe on 09.12.2010, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
  -
Echinoidea indet.
Echinoidea indet. Leske 1778 sea urchin
unclassified
  -
Halobiida indet.
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
Rhynchonellata
 Spiriferida -
"Spiriferacea indet." = Spiriferoidea
"Spiriferacea indet." = Spiriferoidea King 1846
Cephalopoda
 Nautiloidea -
Nautiloidea indet.
Nautiloidea indet. nautiloid
coiled form
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
Hydrozoa
 Spongiomorphida - Spongiomorphidae
Spongiomorpha (cf. Spongiomorpha) "sp. A", Spongiomorpha acyclica, Spongiomorpha gibbosa
Spongiomorpha (cf. Spongiomorpha) "sp. A" Frech 1890
cf. S. sp. A of Flugel and Sy
 Milleporina - Heterastrididae
Heterastridium conglobatum
Heterastridium conglobatum Reuss 1854 fire coral
Anthozoa
 Scleractinia - Reimaniphylliidae
""Montlivaltia" norica" = Distichophyllia norica, ""Thecosmilia" ("Thecosmilia") dawsoni" = Retiophyllia dawsoni
""Montlivaltia" norica" = Distichophyllia norica Frech 1890 stony coral
""Thecosmilia" ("Thecosmilia") dawsoni" = Retiophyllia dawsoni Clapp and Shimer 1911 stony coral
 Scleractinia - Oppelismiliidae
""Thecosmilia" ("Thecosmilia") suttonensis" = Phacelophyllia suttonensis
""Thecosmilia" ("Thecosmilia") suttonensis" = Phacelophyllia suttonensis Duncan 1867 stony coral
 Scleractinia - Stylophyllidae
"Oppelismilia (cf. Oppelismilia) zitteli" = Phacelostylophyllum zitteli, "Coccophyllum (cf. Coccophyllum) acanthophorum" = Anthostylis acanthophora
"Oppelismilia (cf. Oppelismilia) zitteli" = Phacelostylophyllum zitteli Frech 1890 stony coral
"Coccophyllum (cf. Coccophyllum) acanthophorum" = Anthostylis acanthophora Frech 1890 stony coral
 Scleractinia - Thamnasteriidae
Thamnasteria (cf. Thamnasteria) smithi
 Scleractinia - Gablonzeriidae
"Elysastraea major" = Gablonzeria major
"Elysastraea major" = Gablonzeria major Frech 1890 stony coral
 Scleractinia - Microsolenidae
"Spongiomorpha ramosa" = Eocomoseris ramosa
"Spongiomorpha ramosa" = Eocomoseris ramosa Frech 1890 stony coral
 Scleractinia - Montlivaltiidae
Elysastraea (cf. Elysastraea) vancouverensis, Elysastraea profunda, Margarastraea (cf. Margarastraea) granissima
Elysastraea profunda Reuss 1854 stony coral
 Scleractinia - Pamiroseriidae
Ceriostella sp.
Ceriostella sp. Roniewicz and Stanley 1998 stony coral
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836
Rhodophyceae
  - Solenoporaceae
Solenopora sp.
Solenopora sp. Dybowski 1877
Chlorophyceae
 Dasycladales - Dasycladaceae
"Gymnocodium (cf. Gymnocodium) bellerophontis" = Gyroporella bellerophontis
"Gymnocodium (cf. Gymnocodium) bellerophontis" = Gyroporella bellerophontis Rothpletz 1894
Nodosariata
 Nodosariida - Nodosariidae
Nodosaria sp.
Nodosaria sp. Lamarck 1812
Foraminifera
 Endothyroidea - Endothyridae
Endothyridae indet.