Devonshire Formation - Whalebone Bay (Pleistocene of Bermuda)

Also known as Loc. 1

Where: Bermuda (32.4° N, 64.7° W: paleocoordinates 32.4° N, 64.7° 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 67946: 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.
Bivalvia
 Arcida - Glycymerididae
Glycymeris americana Defrance 1826 clam
 Pectinida - Pectinoidae
Spondylus americanus Hermann 1781 scallop
 Mytilida - Mytilidae
Botula fusca Gmelin 1791 mussel
 Cardiida - Chamidae
Chama macerophylla Gmelin 1791 jewel box
 Cardiida - Veneridae
Chione cancellata Linnaeus 1767 venus clam
 Lucinida - Lucinidae
"Codakia costata" = Parvilucina costata d'Orbigny 1846 clam
Lucina pensylvanica Linnaeus 1758 clam
[entered as Lucina pennsylvanica]
Gastropoda
 Patellogastropoda - Lottiidae
Acmaea sp. Eschscholtz 1830 limpet
 Neogastropoda - Olividae
Oliva reticularis Lamarck 1811 olive snail
Olivella sp. Swainson 1831 olive snail
 Neogastropoda - Buccinidae
"Cantharus tinctus" = Gemophos tinctus
"Cantharus tinctus" = Gemophos tinctus Conrad 1846 true whelk
 Vanikoroidea - Hipponicidae
 Vermetoidea - Vermetidae
Serpulorbis decussatus Gmelin 1791 worm shell
 Sorbeoconcha - Cerithiidae
Cerithium sp. Bruguière 1789 cerith snail
 Basommatophora - Siphonariidae
Siphonaria alternata Say 1826 pulmonate
 Fissurelloidea - Fissurellidae
Fissurella barbadensis Gmelin 1791 snail
 Trochoidea - Trochidae
Cittarium pica Linnaeus 1758 top snail