Spencer's Point Formation - Saucos Hill (Pleistocene of Bermuda)

Also known as Loc. 5

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Spencer's Point Formation, Middle Pleistocene (0.8 - 0.1 Ma)

• STRATIGRAPHIC RELATIONS: From Spencer's Point Formation (Middle-Late Pleistocene), which lies between the Pembroke Fm (Middle-Late Pleistocene) and the Southampton Fm (Late Pleistocene). THICKNESS: Unknown thickness of unit AGE: Shells are radiometrically dated to 130 Ka. STRATIGRAPHIC POSITION: Unknown position with unit.

• bed-level stratigraphic resolution

Environment/lithology: foreshore; poorly lithified, calcareous sandstone

• ENVIRONMENT: Intertidal, marine, beach and eolian calcarenites.
• SPECIFIC LITHOLOGY: Calcarenites. LITHIFICATION: Poorly lithified, presumed based on age and facies description (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 67949: 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
 Cardiida - Chamidae
Chama macerophylla Gmelin 1791 jewel box
 Lucinida - Lucinidae
Lucina pensylvanica Linnaeus 1758 clam
[entered as Lucina pennsylvanica]
Gastropoda
 Neogastropoda - Olividae
Olivella sp. Swainson 1831 olive snail
 Littorinoidea - Littorinidae
"Littorina angulifera" = Littoraria angulifera
"Littorina angulifera" = Littoraria angulifera Lamarck 1822 periwinkle
 Cypraeoidea - Cypraeidae
Erosaria acicularis Gmelin 1791 cowry
 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