USNM 36394, Teller Quadrangle, Don River area, York Mountain, Seward Peninsula (Ordovician of the United States)

Also known as Teller Quadrangle, Don River area, York Mountain, Seward Peninsula. R40W T1N Sec. 14

Where: Alaska (65.5° N, 165.9° W: paleocoordinates 17.7° N, 37.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Port Clarence Limestone Formation, Richmondian (449.6 - 445.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: bioturbated, dolomitic wackestone and bioturbated, dolomitic packstone

• Thin to medium thickness beds (3-30 cm thick) of bioturbated skeletal and pellta dolomitc wacketson and packstone. Megafossils are rare to locally abundant and inlcude brachiopods, gastropods, corals, pelecypods (Tandrediopsis), stromatoporoids, trilobites, ostracodes, bryozoans and polyplacophorans. Skeletal matieral is heavily micritized, indicating deposition within the photic zone.

Size class: macrofossils

Preservation: original silica

Reposited in the USNM

Collection methods: bulk, chemical,

Primary reference: D. M. Rohr. 1988. Upper Ordovician gastropods from the Seward Peninsula, Alaska. Journal of Paleontology 62(4):551-566 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49346: authorized by Pete Wagner, entered by Pete Wagner on 13.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Eotomariidae
Liospira micula3 Hall and Whitney 1862 snail
Liospira micula
 Murchisoniina - Subulitidae
"Subulites (Fusispira) sp." = Fusispira, "Subulites (Cyrtospira) sp." = Cyrtospira
"Subulites (Fusispira) sp." = Fusispira Hall 1872 snail
"Subulites (Cyrtospira) sp." = Cyrtospira Ulrich and Scofield 1897 snail
 Murchisoniina - Trochonematidae
Trochonema wartheni1 Hussey 1926 snail
Trochonema n. sp.
Trochonemella cf. churkini Rohr and Blodgett 1985 snail
 Murchisoniina - Lophospiridae
Ectomaria cf. pagoda Salter 1859 snail
Loxoplocus (Lophospira) aff. serrulata Salter 1859 snail
Trochonemella n. sp.
Arjamannia aff. thraivensis3 Longstaff 1924 snail
Arjamannia aff. A. thraivensis
 Murchisoniina - Loxonematidae
Rhabdostropha primitiva3 Longstaff 1924 snail
Rhabdostropha primitiva
 Euomphalina - Oriostomatidae
Oriostoma aff. angulatum3 Wahlenberg 1821 snail
Oriostoma aff. angulatum
 Euomphalina - Raphistomatidae
"Raphistoma tellerensis n. sp." = Scalites tellerensis
"Raphistoma tellerensis n. sp." = Scalites tellerensis Rohr 1988 snail
 Euomphalina - Euomphalidae
"Pachystrophia spiralis n. sp." = Sinutropis spiralis
"Pachystrophia spiralis n. sp." = Sinutropis spiralis Rohr 1988 snail
 Euomphalina - Helicotomidae
Helicotoma robinsoni n. sp. Rohr 1988 snail
Helicotoma blodgetti n. sp. Rohr 1988 snail
 Euomphalina - Macluritidae
"Maclurites aff. manitobensis" = Maclurina manitobensis
"Maclurites aff. manitobensis" = Maclurina manitobensis Whiteaves 1890 snail
 Euomphalina - Ophiletidae
Lytospira subrotunda3 Ulrich and Scofield 1897 snail
 Bellerophontida - Temnodiscidae
"Alaskadiscus donensis" = Alaskodiscus donensis2
"Alaskadiscus donensis" = Alaskodiscus donensis2 Rohr et al. 2003 snail