Locality 409 (Windmill Point Beds, St Marys Fm) (Miocene of the United States)

Also known as Windmill Point

Where: Dorchester County, Maryland (38.3° N, 76.1° W: paleocoordinates 38.4° N, 74.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Windmill Point Member (St Marys Formation), Late/Upper Miocene (11.6 - 5.3 Ma)

• Windmill Point, Chesapeake Bay; Upper Miocene (Tortonian), Windmill Point beds, St Marys Formation, Zone 24.

• bed-level stratigraphic resolution

Environment/lithology: offshore; sandstone

• Back-barrier, and shallow inner-bay conditions, punctuated by open shelf (shelly sandy intervals).
• Sandstone

Size class: macrofossils

Collection methods: quarrying,

• Probably collected from individuals specimens. Collection of Zullo

Primary reference: D. B. Kline. 1997. Systematics and biostratigraphy of Miocene Cirripedia of the Chesapeake Group; Maryland, North Carolina, and Virginia. Unpublished Masters thesis, University of North Carolina, Wilmington [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51722: authorized by Austin Hendy, entered by Austin Hendy on 14.06.2005, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for Cirripdia. Not complete with respect to molluscan fauna. Type material is reposited in USNM, ANSP, and University of North Carolina, Wilmington.
Show authors, comments, and common names
Thecostraca
 Balanomorpha - Balanidae
Chesaconcavus santamaria
Chesaconcavus santamaria Zullo 1992 barnacle
Gastropoda
 Cerithioidea - Turritellidae
Turritella subvariabilis, "Turritella plebeia" = Mariacolpus plebeia
Turritella subvariabilis d'Orbigny 1852 turret shell
subspecies subvariabilis
"Turritella plebeia" = Mariacolpus plebeia Say 1824 turret shell
subspecies plebeia
 Neogastropoda - Muricidae
Urosalpinx subrusticus, Ecphora gardnerae
Urosalpinx subrusticus d'Orbigny 1852 murex snail
Ecphora gardnerae Wilson 1987 murex snail
subspecies gardnerae
 Neogastropoda - Melongenidae
Busycotypus coronatum, Busycotypus rugosum, Busycon fusiforme
Busycotypus coronatum Conrad 1840 whelk
Busycotypus rugosum Conrad 1843 whelk
 Neogastropoda - Nassariidae
Nassarius (Tritiaria) peralta, Bulliopsis quadrata, Bulliopsis marylandica
Bulliopsis quadrata Conrad 1830 snail
Bulliopsis marylandica Conrad 1862 snail
 Neogastropoda - Fasciolariidae
Buccinofusus parilis
Buccinofusus parilis Conrad 1832 snail
 Neogastropoda - Terebridae
"Terebra simplex" = Laevihastula simplex
"Terebra simplex" = Laevihastula simplex Conrad 1830 auger snail
 Neogastropoda - Conidae
Conus deluvianus
Conus deluvianus Green 1830 cone shell
Bivalvia
 Ostreida - Ostreidae
Crassostrea sp.
Crassostrea sp. Sacco 1897 oyster
 Pectinida - Pectinoidae
Chesapecten santamaria
Chesapecten santamaria Tucker 1934 scallop
 Arcida - Arcidae
"Rasia andrewsi" = Anadara (Rasia) andrewsi, Dallarca idonea
"Rasia andrewsi" = Anadara (Rasia) andrewsi Ward 1992 ark
Dallarca idonea Conrad 1832 clam
 Lucinida - Lucinidae
Stewartia anodonta
Stewartia anodonta Say 1824 clam
 Cardiida - Mactridae
Leptomactra delumbis, Mactrodesma subponderosa
Leptomactra delumbis Conrad 1832 clam
Mactrodesma subponderosa d'Orbigny 1852 clam
 Cardiida - Glossidae
Glossus santamaria
Glossus santamaria Ward 1992 clam
 Cardiida - Veneridae
"Clementia inoceriformis" = Clementia (Clementia) inoceriformis, Mercenaria tetrica, Lirophora alevata, Dosinia acetabulum
"Clementia inoceriformis" = Clementia (Clementia) inoceriformis Wagner 1839 venus clam
Mercenaria tetrica Conrad 1838 quahog
Lirophora alevata venus clam
Dosinia acetabulum Conrad 1832 venus clam
subspecies thori
 Cardiida - Cardiidae
Chesacardium laqueatum
Chesacardium laqueatum Conrad 1830 cockle
subspecies laqueatum
 Cardiida - Tellinidae
Florimetis biplicata
Florimetis biplicata Conrad 1834 tellin clam
 Hiatellida - Hiatellidae
Panopea goldfussii
Panopea goldfussii Wagner 1839 clam
 Carditida - Astartidae
Astarte perplana
Astarte perplana Conrad 1840 clam