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Eoschuchertella arctostriata (Hall, 1843)

Eoschuchertella arctostriata
Eoschuchertella arctostriata

Scientific Classification

Kingdom: Animalia
Phylum: Brachiopoda
Class: Strophomenata
Order: Orthotetida
Family: Aerostrophidae
Genus: Eoschuchertella
Species: Eoschuchertella arctostriata (Hall, 1843)

Information

Geological Range

Late Devonian

Middle Devonian

Paleogeographic Distribution

Indiana

Missouri

Montana

New York

Wisconsin

Stratigraphic Occurrences

Milwaukee Formation
Berthelet Member
Geneseo Formation
Tully Formation
Moscow Formation
Ludlowville Formation
North Vernon Formation
Lingle Formation
Arkona Formation
Mahantango Formation
Skaneateles Formation
Plum Creek Formation
Silica Formation
Traverse Group
Mount Marion Formation
Oatka Creek Formation

References

Hall, J., 1867 (as Streptorhynchus arctostriata): p. 71, pl. 9.

Wilson, K., 2014: pp. 100, 101.

Linsley, D., 1994: p. 179, figs. 1-11.

Remarks

Originally described as Strophomena arctostriata by Hall in 1843. Recombined as Streptorhynchus chemungensis arctostriata by Hall in 1867. Recombined as Orthothetes chemungensis arctostriata by Hall and Clarke in 1892. Recombined as Schuchertella arctostriata by Griesemer in 1965. Recombined as Eoschuchertella arctostriata by Linsley in 1994. Recombined as Floweria arctostriata by Stigall Rode in 2005.

From Wilson (2014, p. 100): “Shell nearly flat, with sides approximately perpendicular to hinge line, which is equal to or greater than width of shell body. Surface with closely arranged striae. To 10-30 mm.”

From Carlton Brett and Gordon Baird: A very generalized form that occurs from nearshore sandstones to offshore medium to dark shales; it is less common in calcareous facies.

Online Resources

Paleobiology Database (as Floweria arctostriata)

Media

Images

Photograph of Eoschuchertella arctostriata
Eoschuchertella arctostriata from the Milwaukee Formation (Berthelet Member) of Milwaukee County (Wisconsin) (MPM P37628).
Illustration of Eoschuchertella arctostrata
Illustration of Eoschuchertella arctostrata from Hall (1867).

Related

Arcuaminetes scitulus (Hall, 1857)
Devonochonetes coronatus
Allenella tullius