10RB10, East of Hoonah Airport (Silurian to of the United States)

Where: Chichagof Island County, Alaska (58.1° N, 135.4° W: paleocoordinates 5.8° S, 92.8° W)

• outcrop-level geographic resolution

When: Kennel Creek Formation, Homerian to Homerian (430.5 - 425.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: gray, green siltstone and limestone

• The quarry exposes two separate stratigraphic intervals: a lower greenish-grey, medium-bedded siltstone interval which forms the base of the quarry, and an upper limestone interval which forms cliffs on the south and west side of the quarry

Size class: macrofossils

Primary reference: J. Kriz, R. B. Blodgett, and D. M. Rohr. 2011. Silurian Bivalvia from Chichagof Island, Southeast Alaska (Alexander terrane). Bulletin of Geosciences 86(2):241-258 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153969: authorized by Pete Wagner, entered by Pete Wagner on 21.01.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• A rich fauna of brachiopods along with a lesser amount of gastropods accompanies the bivalve community.
Show authors, comments, and common names
Bivalvia
 Myalinida - Ambonychiidae
Mytilarca boucoti n. sp.
Mytilarca boucoti n. sp. Kriz et al. 2011 clam
 Trigoniida - Schizodidae
? Schizodus "sp. A", ? Schizodus "sp. B"
? Schizodus "sp. A" King 1844 clam
? Schizodus "sp. B" King 1844 clam
 Cardiidia - Sanguinolitidae
Sanguinolites sp.
Sanguinolites sp. M'Coy 1844 clam
 Modiomorphida - Modiomorphidae
? Colpomya aff. audae, ? Colpomya aff. hugini, ? Modiomorpha sp., Goniophora thula n. sp., Modiolopsis aff. modiolaris
? Colpomya aff. audae Liljedahl 1994 clam
? Colpomya aff. hugini Liljedahl 1994 clam
? Modiomorpha sp. Hall and Whitfield 1869 clam
Goniophora thula n. sp. Kriz et al. 2011 clam
Modiolopsis aff. modiolaris Conrad 1838 clam