USGS Mesozoic 19922, Kialagvik Creek (Jurassic of the United States)

Where: Alaska (57.3° N, 156.7° W: paleocoordinates 27.2° N, 87.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kialagvik Formation, Laeviuscula (171.6 - 167.7 Ma)

• About 14 m below top of Kialagvik Fm

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary shale

• Interbedded dark grey blocky concretionary shale and thin stringers of grey weathering limestone

Size class: macrofossils

Collected by Lewis B. Kellum in 1945; reposited in the USNM

Primary reference: G. E. G. Westermann. 1969. The ammonite fauna of the Kialagvik Formation at Wide Bay, Alaska Peninsula. Part II. Sonninia sowerbyi zone (Bajocian). Bulletins of American Paleontology 57:1-226 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175621: authorized by Matthew Clapham, entered by Matthew Clapham on 20.12.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Sonniniidae
Witchellia sutneroides
Witchellia sutneroides Westermann 1969 ammonite
 Ammonitida - Otoitidae
"Pseudotoites cf. argentinus" = Pseudotoites (Pseudotoites) argentinus, Docidoceras (Pseudocidoceras) camachoi, Docidoceras (Pseudocidoceras) widebayense, Docidoceras (Pseudocidoceras) cf. widebayense
"Pseudotoites cf. argentinus" = Pseudotoites (Pseudotoites) argentinus Arkell 1954 ammonite
Docidoceras (Pseudocidoceras) camachoi Westermann 1969 ammonite