Little Cove Point, Zone 22 (Miocene of the United States)

Where: Maryland (38.4° N, 76.4° W: paleocoordinates 38.5° N, 74.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Little Cove Point Member (St Marys Formation), Tortonian (11.6 - 7.2 Ma)

Environment/lithology: foreshore; blue, sandy claystone

• foreshore, muddy, shallow shelf
• bluish sandy clay

Size class: macrofossils

Primary reference: G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 70851: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cetacea - Platanistidae
Pomatodelphis santamaria2 Godfrey and Lambert 2023 toothed whale
 Cetacea - Cetotheriidae
Cetotherium megalophysum1 Cope 1895 whale
Gastropoda
 Neogastropoda - Muricidae
Ecphora quadricostata Conrad 1830 murex snail
 Neogastropoda - Nassariidae
"Nassa peralta" = Nassarius (Tritiaria) peralta Conrad 1868 snail
 Neogastropoda - Columbellidae
"Columbella communis" = Astyris communis
"Columbella communis" = Astyris communis Conrad 1862 snail
 Neogastropoda - Terebridae
Terebra inornata Whitfield 1894 auger snail
 Neogastropoda - Conidae
"Mangilia parva" = Propebela parva
"Mangilia parva" = Propebela parva Conrad 1830 cone shell
 Sorbeoconcha - Naticidae
"Polynices heros" = Euspira heros
"Polynices heros" = Euspira heros Say 1822 moon snail
 Cerithioidea - Turritellidae
"Turritella variabilis" = Turritella (Torcula) variabilis, "Turritella plebeia" = Mariacolpus plebeia
"Turritella variabilis" = Turritella (Torcula) variabilis Conrad 1830 turret shell
"Turritella plebeia" = Mariacolpus plebeia Say 1824 turret shell
Bivalvia
 Pholadida - Corbulidae
Corbula inaequalis Say 1824 clam
var. mortoni
 Arcida - Arcidae
"Arca idonea" = Dallarca idonea
"Arca idonea" = Dallarca idonea Conrad 1832 clam
 Pectinida - Pectinoidae
"Pecten madisonius" = Chesapecten madisonius, "Pecten jeffersonius" = Chesapecten jeffersonius
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop
"Pecten jeffersonius" = Chesapecten jeffersonius Say 1824 scallop
Thecostraca
 Balanomorpha - Balanidae
"Balanus concavus" = Concavus concavus
"Balanus concavus" = Concavus concavus Bronn 1831 barnacle