The Somerset Shale Member (Salem Limestone) of Kentucky: Mollusca

by Don R. Chesnut (chesnut<at>uky.edu)
ęDRC 2014


Phylum Mollusca Linnaeus, 1758

Class Gastropoda Cuvier, 1797


Subclass Prosobranchia Milne-Edwards, 1848

Order Archaeogastropoda Thiel, 1925

Suborder Pleurotomariina Cox and Knight, 1960

Superfamily Pleurotomariacea Swainson, 1840

Pleurotomariacean gen. et sp.
[cited Pleurotomaria sp. by Butts, 1922]


Family Phymatopleuridae Batten, 1956

Genus Borestus Thomas, 1940


Borestus sp.
Click to see IMG_0144ac.jpg


Family Eotomariidae Wenz, 1938

Subfamily Eotomariinae Wenz, 1938

Tribe Ptychomphalides Wenz, 1938

Genus Euconospira Ulrich in Ulrich and Scofield, 1897


Euconospira conula (Hall, 1857)
[cited by Feldman, 1984]


Superfamily Trochonematacea Zittel, 1895

Family Trochonematidae Zittel, 1895

Genus Amaurotoma Knight, 1945


Amaurotoma leavenworthana Hall, date?
[cited as Cyclonema leavenworthana Hall by Butts, 1922]


Suborder Trochina Cox and Knight, 1960

Superfamily Platuceracea Hall, 1859

Family Platuceratidae Hall, 1879

Genus Platyceras Conrad, 1840


Platyceras (Orthonychia) acutirostre (Hall, 1856)
[cited as Orthonychia acutirostre (Hall) by Butts, 1922] 
[cited by Feldman, 1984]
Click to see IMG_0151ac.jpg Click to see IMG_0153ac.jpg Click to see IMG_0128ac.jpg

Platyceras circulare Rowley, date?
[cited by Butts, 1922]


Suborder Bellerophontina Thiele, 1925

Family Bellerophontidae M'Coy, 1851

Subfamily Bellerophontinae M'Coy, 1851

Genus Bellorophon Montfort, 1808


Bellerophon sp.
[cited by Feldman, 1984]
Click to see IMG_0126ac.jpg

Bellerophon subblaevis? Hall, date?
[cited by Butts, 1922]


Suborder Macluritina Cox and Knight, 1960

Superfamily Macluritacea Fischer, 1885

Family Euomphalidae de Koninck, 1881

Genus Straparollus DeMontfort, 1810

Subgenus S. (Euomphalus) Sowerby, 1814


Euomphalus sp.  "high-spired form"
[cited by Butts, 1922]


Suborder incertae sedis

Superfamily Pseudophoracea Miller, 1889


pseudopharacea genus and species
[cited by Feldman, 1984]


Class Bivalvia Linnaeus, 1758

Order Modiomorphoida Newell, 1969

Family Modiomorphidae Miller, 1877

Genus Cypricardinia Hall, 1859


Cypricardinia sp.
[cited by Feldman, 1984]


Order Pterioida Newell, 1965

Suborder Pteriina Newell, 1965

Superfamily Ambonychiacea Miller, 1877

Family Myalinidae Frech, 1891


Myalinidae genera and species
[cited by Feldman, 1984]


Class Cephalopoda Cuvier, 1797

coiled cephalopod
[cited by Butts, 1922]