PBDB Collection

USGS 10061-SD (=79RB8). ~3 m thick silicified hoirizon, 104.5-101.5 m below top (Devonian of the United States)

Also known as 79RB8. ~3 m thick silicified hoirizon, 104.5-101.5 m below top of the formation. Cheeneetnuk River.

Where: Alaska (62.1° N, 155.1° W: paleocoordinates 2.2° N, 45.1° W)

• coordinate stated in text

• local area-level geographic resolution

When: Cheeneetnuk Formation, Eifelian (393.3 - 387.7 Ma)

• Early Eifelian

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: recrystallized, replaced with silica

Reposited in the USNM

Collection methods: hydrochloric

Primary reference: J. K. Rigby and R. B. Blodgett. 1983. Early Middle Devonian Sponges from the McGrath Quadrangle of West-Central Alaska. Journal of Paleontology 57(4):773-786 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64061: authorized by Pete Wagner, entered by Pete Wagner on 30.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Demospongiae
Agelasida - Fissispongiidae	Hormospongia diarteria n. sp., Hormospongia labyrinthica, Hormospongia acara n. sp. Hormospongia diarteria n. sp. Rigby and Blodgett 1983 demosponge Hormospongia labyrinthica Rigby and Blodgett 1983 demosponge Hormospongia acara n. sp. Rigby and Blodgett 1983 demosponge
Conodonta
Ozarkodinida - Polygnathidae	Polygnathus costatus² Polygnathus costatus² Klapper 1971 conodont P. costatus costatus
Gastropoda
Murchisoniina - Gosseletinidae	Odontomaria cheeneetnukensis⁴ Odontomaria cheeneetnukensis⁴ Frýda et al. 2006 snail
Murchisoniina - Cheeneetnukiidae	Cheeneetnukia frydai² Cheeneetnukia frydai² Blodgett and Cook 2002 snail
Euomphalina - Pseudophoridae	Dutrochus alaskensis n. sp.¹, Astralites gamblei n. sp.³ Dutrochus alaskensis n. sp.¹ Blodgett 1993 snail Astralites gamblei n. sp.³ Blodgett et al. 2003 snail
Cephalopoda
Agoniatitida - Pinacitidae	Pinacites jugleri², Foordites cf. platypleura⁵ Pinacites jugleri² Roemer 1843 ammonite Foordites cf. platypleura⁵ Frech 1889 ammonite Frech

¹Blodgett 1993; ²Blodgett and Cook 2002; ³Blodgett et al. 2003; ⁴Frýda et al. 2006; ⁵House and Blodgett 1982