MD 2 - Fil-Delmas, Las Cahobas Formation (Miocene of Haiti)

Where: Haiti (18.5° N, 72.3° W: paleocoordinates 18.5° N, 71.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Las Cahobas Formation (Artibonite Group), Late/Upper Miocene (11.6 - 5.3 Ma)

• Stated in text as being from "Miocene moyen et superior". Graham (1990) reports the Las Cahobas Formation as being Late Miocene in age based on floral microfossil biostratigraphy, while other authors (e.g. Van den Bold 1970, 1976) report a middle Miocene-Late Miocene age. The enterer (A. Hendy) assigns the Late Miocene age on the basis of most recent and confined age assessments.

• bed-level stratigraphic resolution

Environment/lithology: marine

• Unknown taphonomic data. Requires translation.
• Unknown taphonomic data. Requires translation.

Size class: macrofossils

Collection methods: quarrying,

• Unknown collection repository. Requires translation.

Primary reference: J. Butterlin. 1960. Géologie générale et régionale de la République D'Haiti. Travaux et Mémoires de L'Institute des Hautes Estudes de L'Amérique Latine 6:1-190 [A. Miller/A. Hendy/S. Ávila]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 60108: authorized by Austin Hendy, entered by Austin Hendy on 01.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for marcroinvertebrates, including coelenterata, brachiopoda, echinoidea, bivalvia and gastropoda.
Gastropoda
 Neotaenioglossa - Calyptraeidae
"Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum
"Crucibulum chipolanum" = Crucibulum (Crucibulum) chipolanum Dall 1892 slipper shell
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Sorbeoconcha - Naticidae
"Polinices brunnea" = Polinices hepaticus
"Polinices brunnea" = Polinices hepaticus Röding 1798 moon snail
Subspecies: Polinices brunnea subclausa
 Opisthobranchia - Bullidae
Bivalvia
 Arcida - Arcidae
Barbatia inusitata Woodring 1925 clam
"Anadara donacia" = Anadara (Hawaiarca) donacia Dall 1898 clam
 Pectinida - Pectinoidae
"Chlamys pittieri" = Lyropecten pittieri, Spondylus sp.
"Chlamys pittieri" = Lyropecten pittieri Dall 1912 scallop
Spondylus sp. Linnaeus 1758 scallop
 Ostreida - Gryphaeidae
"Ostrea haitensis" = Hyotissa haitensis
"Ostrea haitensis" = Hyotissa haitensis Sowerby 1850 oyster
 Pholadida - Corbulidae
 Cardiida - Chamidae
"Echinochama antiquata" = Arcinella antiquata
"Echinochama antiquata" = Arcinella antiquata Guppy 1866 jewel box
 Cardiida - Veneridae
"Antigona multicostata" = Periglypta multicostata
"Antigona multicostata" = Periglypta multicostata Sowerby 1835 venus clam
 Cardiida - Cardiidae
"Cardium (Trigoniocardia) haitense" = Trigoniocardia (Trigoniocardia) haitensis
"Cardium (Trigoniocardia) haitense" = Trigoniocardia (Trigoniocardia) haitensis Sowerby 1850 cockle