Laytons Landing, Zone 26 (Miocene of the United States)

Where: Essex County, Virginia (37.8° N, 76.7° W: paleocoordinates 37.9° N, 75.4° W)

• coordinate estimated from map

When: Claremont Manor Member (Eastover Formation), Messinian (7.2 - 5.3 Ma)

• Mollusk Zone 7

Environment/lithology: marine; sandstone

• sand, very fine, very fossiliferous

Size class: macrofossils

Primary reference: L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 71618: authorized by Mark Uhen, entered by Mark Uhen on 02.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Terebridae
"Terebra simplex" = Laevihastula simplex
"Terebra simplex" = Laevihastula simplex Conrad 1830 auger snail
 Neogastropoda - Nassariidae
Bulliopsis quadrata Conrad 1830 snail
 Neogastropoda - Melongenidae
Busycotypus coronatum Conrad 1840 whelk
 Neogastropoda - Muricidae
Ecphora kochi Ward and Gilinsky 1988 murex snail
 Cerithioidea - Turritellidae
"Turritella plebeia" = Mariacolpus plebeia
"Turritella plebeia" = Mariacolpus plebeia Say 1824 turret shell
subspecies plebeia
Bivalvia
 Pectinida - Pectinoidae
Chesapecten middlesexensis Mansfield 1936 scallop
subspecies middlesexensis
 Cardiida - Cardiidae
Chesacardium laqueatum Conrad 1830 cockle
subspecies blountense
 Cardiida - Mactridae
Spisula rappahannockensis Gardner 1944 clam
 Cardiida - Veneridae
Mercenaria druidi Ward 1992 quahog
Lirophora vredenburgi Ward 1992 venus clam
 Hiatellida - Hiatellidae
Panopea goldfussii Wagner 1839 clam
Dallarca carolinensis
  -
Dallarca carolinensis Conrad 1849
subspecies carolinensis