TU 1225, Río Mao [Gurabo Fm] (Miocene to of Dominican Republic)

Where: Dominican Republic (19.6° N, 71.1° W: paleocoordinates 19.6° N, 70.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Gurabo Formation, Messinian to Messinian (7.2 - 3.6 Ma)

• STRATIGRAPHIC RELATIONS: From Gurabo Fm, which overlies the Cercado Fm, and is overlain by the Mao Fm (Pliocene). AGE: Late Miocene-Early Pliocene, based on Table 1 of Saunders et al. (1986); Messinian-Zanclean according to Freiheit & Geary (2009); early Pliocene according to Waller (2011). THICKNESS: Unknown. STRATIGRAPHIC POSITION: Unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified siliciclastic sediments

• ENVIRONMENT: Appearing to be shallow marine firmground environment.
• SPECIFIC LITHOLOGY: Unknown, presumably silcicilastic. LITHIFICATION: Unlithified based on observation of figures.

Size class: macrofossils

Preservation: original aragonite, original calcite

Reposited in the PRI

Collection methods: bulk, sieve,

• COLLECTOR: E. Vokes. REPOSITORY: PRI. FIDELITY: Moderate ecological fidelity.

Primary reference: A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 75037: authorized by Austin Hendy, entered by Austin Hendy on 16.09.2007, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

• TAXONOMY: Most taxa Identified by A. Hendy, with some earlier identifications by E. Vokes, P. Jung, H. Vokes, L. Anderson.
Gastropoda
 Cerithioidea - Cerithiidae
Rhinoclavis (Rhinoclavis) sp. Swainson 1840 cerith snail
Cerithium sp. Bruguière 1789 cerith snail
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
 Architaenioglossa - Ampullinidae
Pachycrommium guppyi Gabb 1873 snail
 Sorbeoconcha - Vermetidae
Petaloconchus laddfranklinae Maury 1917 worm shell
 Sorbeoconcha - Ranellidae
Cymatium praefemorale1 Maury 1917 triton shell
Monoplex gurabonicus1 Maury 1917 triton shell
Monoplex parthenopeus1 von Salis Marschlins 1793 triton shell
Monoplex krebsii1 Mörch 1877 triton shell
 Sorbeoconcha - Bursidae
Bursa grayana1 Dunker 1862 frog shell
 Sorbeoconcha - Cassidae
"Sconsia (Sconsia) laevigata" = Sconsia laevigata, "Sconsia laevigata" = Sconsia laevigata1, Cassis sulcifera
"Sconsia (Sconsia) laevigata" = Sconsia laevigata Guppy 1850 snail
"Sconsia laevigata" = Sconsia laevigata1 Guppy 1850 snail
Cassis sulcifera Sowerby 1850 snail
 Sorbeoconcha - Personidae
Distorsio simillima1 Sowerby 1850 snail
 Sorbeoconcha - Xenophoridae
Xenophora delecta Guppy 1876 carrier shell
 Sorbeoconcha - Ovulidae
"Simnia immunita" = Pseudocyphoma immunita
"Simnia immunita" = Pseudocyphoma immunita Guppy 1874 snail
Listed as "Stombina (Calpurna) immunita"
 Sorbeoconcha - Cypraeidae
Muracypraea henekeni Sowerby 1850 cowry
 Sorbeoconcha - Strombidae
Lobatus dominator3 Pilsbry 1917 true conch
Strombus sp. Linnaeus 1758 conch
Strombus proximus3 Sowerby 1850 conch
 Neogastropoda - Marginellidae
Serrata glaphyra Woodring 1928 margin shell
Marginella sp. Lamarck 1799 margin shell
 Neogastropoda - Volutidae
Lyria (Lyria) pulchella Sowerby 1850 volute
 Neogastropoda - Harpidae
Morum (Oniscidia) domingense Sowerby 1850 snail
 Neogastropoda - Muricidae
Chicoreus (Siratus) amplius6 Vokes 1989 murex snail
Chicoreus (Siratus) domingensis6 Sowerby 1850 murex snail
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus Guppy 1876 murex snail
"Murex (Haustellum) messorius" = Vokesimurex messorius6 Sowerby 1841 murex snail
 Neogastropoda - Mitridae
Mitridae indet. Swainson 1831 mitre shell
Listed as "Mitra (Pleioptygma) sp."
Subcancilla henekeni Sowerby 1850 mitre shell
 Neogastropoda - Buccinidae
Antillophos (Antillophos) moorei Guppy 1866 true whelk
 Neogastropoda - Fasciolariidae
Fasciolaria semistriata Sowerby 1850 tulip snail
Fusinus henekeni Sowerby 1850 snail
 Neogastropoda - Columbellidae
 Neogastropoda - Turridae
Turridae sp. Swainson 1840 turrid
 Neogastropoda - Conidae
"Conus symmetricus" = Purpuriconus symmetricus, Conus sp., Conus consobrinus, "Conus sewalli" = Conus (Stephanoconus) sewalli, "Conus planiliratus" = Conasprelloides planiliratus, "Conus multiliratus" = Conasprelloides multiliratus
"Conus symmetricus" = Purpuriconus symmetricus Sowerby 1849 cone shell
Conus sp. Linnaeus 1758 cone shell
Conus consobrinus Sowerby 1850 cone shell
"Conus sewalli" = Conus (Stephanoconus) sewalli Maury 1917 cone shell
"Conus planiliratus" = Conasprelloides planiliratus Sowerby 1850 cone shell
"Conus multiliratus" = Conasprelloides multiliratus Olsson 1922 cone shell
 Neogastropoda - Cancellariidae
"Cancellaria (Bivetiella) epistomifera" = Bivetiella epistomifera4
"Cancellaria (Bivetiella) epistomifera" = Bivetiella epistomifera4 Guppy 1876 snail
 Neogastropoda - Turbinellidae
Vasum (Vasum) aedificatum Guppy 1876 snail
"Vasum (Vasum) haitense" = Vasum haitensis Sowerby 1850 snail
Vasum (Vasum) gurabicum Maury 1917 snail
 Neogastropoda - Costellariidae
Vexillum (Costellaria) sp. Swainson 1840 ribbed mitre
 Sorbeoconcha - Naticidae
"Natica (Naticarius) canrena" = Naticarius canrena, Sinum sp.
"Natica (Naticarius) canrena" = Naticarius canrena Linnaeus 1758 moon snail
Sinum sp. Röding 1798 moon snail
 Sorbeoconcha - Rissoidae
Crepitacella cepula Guppy 1866 snail
 Trochoidea - Trochidae
 Seguenzioidea - Eucyclidae
"Euchelus (Mirachelus) sp." = Mirachelus
"Euchelus (Mirachelus) sp." = Mirachelus Woodring 1928 snail
 Opisthobranchia - Haminoeidae
"Atys (Aliculastrum) sp." = Aliculastrum
"Atys (Aliculastrum) sp." = Aliculastrum Pilsbry 1896 snail
Bivalvia
 Nuculanida - Nuculanidae
Saccella peltella Dall 1903 pointed nut clam
 Ostreida - Ostreidae
Dendostrea sp. Swainson 1835 oyster
 Pectinida - Dimyidae
 Pectinida - Pectinoidae
Lindapecten paramuscosus7 Waller 2011 scallop
Nodipecten nodosus7 Linnaeus 1758 scallop
Amusium papyraceum7 Gabb 1873 scallop
Amusium mortoni Ravenel 1844 scallop
Euvola soror7 Gabb 1873 scallop
Argopecten inaequalis7 Sowerby 1850 calico scallop
Argopecten thetidis7 Sowerby 1850 calico scallop
 Arcida - Limopsidae
"Pectunculina sp." = Limopsis
"Pectunculina sp." = Limopsis Sassi 1827 clam
 Arcida - Glycymerididae
Tucetona sp. Iredale 1939 clam
 Arcida - Arcidae
Anadara (Rasia) sp. Gray 1857 ark
 Pholadida - Corbulidae
Bothrocorbula viminea Guppy 1866 clam
"Caryocorbula sericea" = Corbula (Caryocorbula) sericea Dall 1898 clam
 Cardiida - Veneridae
Ventricolaria blandiana Guppy 1873 venus clam
Chionopsis woodwardi Guppy 1866 venus clam
Pitar (Pitar) sp. Römer 1857 venus clam
Listed as "Costacallista sp."
 Cardiida - Chamidae
Arcinella antiquata Guppy 1866 jewel box
[entered as Arcinella antiqua]
Chama involuta Guppy 1873 jewel box
 Cardiida - Cardiidae
"Laevicardium laevigatum" = Laevicardium serratum Linnaeus 1758 cockle
Laevicardium vitellinum5 Reeve 1844 cockle
Trigoniocardia (Trigoniocardia) haitensis5 Sowerby 1850 cockle
INCLUDES: Trigoniocardia (Trigoniocardia) haitensis sambaica
Agnocardia cinderellae5 Maury 1917 cockle
 Carditida - Carditidae
Glans scabricostata Guppy 1866 clam
Anthozoa
 Scleractinia - Flabellidae
? Flabellum sp.2 Lesson 1831 stony coral
 Scleractinia - Caryophylliidae
Antillocyathus maoensis2 Vaughan and Hoffmeister 1925 stony coral