RP 5 - Gros Moine, 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 60095: 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.
Thecostraca
 Balanomorpha - Balanidae
Balanus cf. eburneus Gould 1841 barnacle
Bivalvia
 Ostreida - Gryphaeidae
"Ostrea haitensis" = Hyotissa haitensis
"Ostrea haitensis" = Hyotissa haitensis Sowerby 1850 oyster
 Ostreida - Ostreidae
Ostrea guppyi Woodring 1925 oyster
 Pectinida - Pectinoidae
"Pecten bowdenensis" = Euvola bowdenensis, "Pecten soror" = Euvola soror, "Aequipecten plurinominis" = Lindapecten plurinominis
"Pecten bowdenensis" = Euvola bowdenensis Dall 1898 scallop
"Pecten soror" = Euvola soror Gabb 1873 scallop
"Aequipecten plurinominis" = Lindapecten plurinominis Pilsbry and Johnson 1917 scallop
Subspecies: Pecten buchivacoanus falconensis
 Cardiida - Tellinidae
"Tellina calpix" = Moerella calpix
"Tellina calpix" = Moerella calpix Gardner 1943 tellin clam
Gastropoda
 Neogastropoda - Conidae
"Conus haitensis" = Conus (Pyruconus) haytensis
"Conus haitensis" = Conus (Pyruconus) haytensis Sowerby 1850 cone shell
 Sorbeoconcha - Tonnidae
Malea cf. elliptica Pilsbry and Johnston 1917 tun shell
 Sorbeoconcha - Naticidae
Sinum gatunense Toula 1909 moon snail
Echinoidea
 Cidaroidea -