Bostwick Inlet, Gravina Island - 13 AS 171 (Triassic to of the United States)

Where: Alaska (55.2° N, 131.7° W: paleocoordinates 1.5° N, 71.2° W)

• coordinate based on nearby landmark

When: Late/Upper Triassic to Late/Upper Triassic (237.0 - 174.7 Ma)

Environment/lithology: lithified, nodular limestone

• Angular nodules in a brecciated, nodular limestone.

Size class: macrofossils

Collected by P.S. Smith in 1913

Primary reference: A. F. Buddington and T. Chapin. 1929. Geology and mineral deposits of southeastern Alaska. United States Geological Survey Bulletin 800:1-398 [A. Miller/S. Kolbe]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 112256: authorized by Arnold Miller, entered by Sarah Kolbe on 07.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified by G.H. Girty.
Bivalvia
 Pectinida - Pseudomonotidae
? Pseudomonotis sp. von Beyrich 1862 scallop
 Pectinida - Aviculopectinidae
"? Aviculipecten sp." = Aviculopecten
"? Aviculipecten sp." = Aviculopecten M'Coy 1851 scallop
 Pectinida - Euchondriidae
 Modiomorphida - Modiomorphidae
 Cardiidia - Sanguinolitidae
 Lucinida - Mactromyidae
 Trigoniida - Schizodidae
 Nuculanida - Nuculanidae
"? Leda sp." = Nuculana
"? Leda sp." = Nuculana Link 1807 pointed nut clam
 Nuculida - Nuculidae
? Nucula sp. Lamarck 1799 nut clam
Strophomenata
 Strophomenida - Chonetidae
? Chonetes sp. Fischer de Waldheim 1830