Devonshire Formation - Devonshire Bay (Pleistocene of Bermuda)

Also known as Loc. 4

Where: Bermuda (32.3° N, 64.7° W: paleocoordinates 32.3° N, 64.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Devonshire Formation, Late/Upper Pleistocene (0.1 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From Devonshire Formation, which lies between the Belmont Fm (Middle Pleistocene) and the Harrington Fm (Middle-Late Pleistocene). THICKNESS: Unknown thickness of unit AGE: Shells are radiometrically dated to 120 Ka. STRATIGRAPHIC POSITION: Unknown position with unit.

• bed-level stratigraphic resolution

Environment/lithology: foreshore; poorly lithified, calcareous sandstone

• ENVIRONMENT: Intertidal marine and dune.
• SPECIFIC LITHOLOGY: Marine and poorly developed dune calcarenites. LITHIFICATION: Poorly lithified, presumed based on age and facies description (poorly developed, calcarenite).

Size class: macrofossils

Preservation: original aragonite, original calcite

Reposited in the ANSP

Collection methods: quarrying,

• COLLECTOR: H.G. Richards and T. Skymer (June, 1967), B. Bitters (June, 1968), and previously S. B. Upchurch and L. Vacher. REPOSITORY: Dept. of Geology, Academy of Natural Sciences.

Primary reference: H. G. Richards, R. T. Abbott, and T. Skymer. 1969. The marine Pleistocene mollusks of Bermuda. Notulae Naturae 425:1-10 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67948: authorized by Austin Hendy, entered by Austin Hendy on 18.12.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for Mollusca. NOMENCLATURE: Not an authoritative publication, but identifications by specialists, with species level designations.
Gastropoda
 Cerithioidea - Cerithiidae
Cerithium sp. Bruguière 1789 cerith snail
 Cerithioidea - Turritellidae
Vermicularia spirata Philippi 1836 turret shell
 Neogastropoda - Nassariidae
"Nassarius albus" = Nassarius antillarum
"Nassarius albus" = Nassarius antillarum d'Orbigny 1847 snail
 Neogastropoda - Columbellidae
Columbella sp. Lamarck 1799 snail
Columbella mercatoria Linnaeus 1758 snail
 Sorbeoconcha - Triviidae
"Trivia quadripunctata" = Niveria quadripunctata
"Trivia quadripunctata" = Niveria quadripunctata Gray 1827 snail
 Sorbeoconcha - Cypraeidae
"Cypraea cinerea" = Cypraea (Luria) cinerea, "Cypraea zebra" = Macrocypraea zebra
"Cypraea cinerea" = Cypraea (Luria) cinerea Martini 1769 cowry
"Cypraea zebra" = Macrocypraea zebra Linnaeus 1758 cowry
 Sorbeoconcha - Rissoidae
"Rissoina bryerea" = Schwartziella bryerea
"Rissoina bryerea" = Schwartziella bryerea Montagu 1803 snail
 Sorbeoconcha - Vermetidae
Serpulorbis decussatus Gmelin 1791 worm shell
 Sorbeoconcha - Triphoridae
"Triphora nigrocincta" = Marshallora nigrocincta
"Triphora nigrocincta" = Marshallora nigrocincta Adams 1839 snail
 Neritoidea - Neritidae
Nerita tessellata Gmelin 1791 snail
Nerita versicolor Gmelin 1791 snail
 Basommatophora - Siphonariidae
Siphonaria alternata Say 1826 pulmonate
Bivalvia
 Arcida - Arcidae
"Barbatia domingensis" = Acar domingensis
"Barbatia domingensis" = Acar domingensis Lamarck 1819 miniature ark
 Arcida - Glycymerididae
Glycymeris decussata Linnaeus 1758 clam
 Mytilida - Mytilidae
Brachidontes exustus Linnaeus 1758 mussel
Modiolus americanus Leach 1815 mussel
[entered as Modiolus americanys]
 Lucinida - Lucinidae
"Codakia orbicularis" = Codakia (Codakia) orbicularis, "Codakia costata" = Parvilucina costata, "Codakia orbiculata" = Ctena orbiculata
"Codakia orbicularis" = Codakia (Codakia) orbicularis Linnaeus 1758 clam
"Codakia costata" = Parvilucina costata d'Orbigny 1846 clam
"Codakia orbiculata" = Ctena orbiculata Montagu 1808 clam
 Cardiida - Chamidae
Chama macerophylla Gmelin 1791 jewel box
 Cardiida - Cardiidae
"Laevicardium laevigatum" = Laevicardium serratum
"Laevicardium laevigatum" = Laevicardium serratum Linnaeus 1758 cockle
 Cardiida - Tellinidae
"Strigilla flexuosa" = Strigilla mirabilis
"Strigilla flexuosa" = Strigilla mirabilis Philippi 1841 tellin clam