USGS 18204 - Matura Member, Matura (Pliocene of Trinidad and Tobago)

Where: Trinidad and Tobago (10.7° N, 61.1° W: paleocoordinates 10.6° N, 60.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Matura Member (Talparo Formation), Early/Lower Pliocene (5.3 - 3.6 Ma)

• Collection is from the Matura Sand and Clay Member of the Talparo Formation. The Matura fauna is considered to be of early Pliocene age and is probably slightly younger than the Courbaril fauna. The Matura shell bed has variously been attributed to the Pliocene (Guppy 1864, 1867, 1874; Maury 1925; Kugler 1953; Woodring 1966) or Pleistocene (Kugler 1936).

• bed-level stratigraphic resolution

Environment/lithology: shoreface; poorly lithified, shelly/skeletal, brown, argillaceous, sandy mixed carbonate-siliciclastic sediments

• The Matura fauna is a typical tropical, nearshore assemblage.
• From blocks of highly limonitic, brown coquina with intercalations of clay and silt.

Size class: macrofossils

Reposited in the PRI, USNM

Collection methods: quarrying,

• All material descibed in this report is reposited in the Naturhistorisches Mueum, Basel, or the USNM. Additional material collection from this unit is found at PRI.

Primary reference: P. Jung. 1969. Miocene and Pliocene mollusks from Trinidad. Bulletins of American Paleontology 55(247):293-697 [A. Miller/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60412: authorized by Austin Hendy, entered by Austin Hendy on 14.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for Mollusca. Several species of corals, bryozoa, lots of spines of echinodemrs, an Ophiuran (Berry 1935), fish teeth, otoliths, Balanus, and ostracods are present. Saunders in an unpublished report listed foraminifera from this locality.
Gastropoda
 Trochoidea - Trochidae
"Calliostoma decipiens" = Calliostoma (Calliostoma) decipiens Guppy 1867 top snail
"Calliostoma olssoni" = Calliostoma (Elmerlinia) olssoni Maury 1925 top snail
Calliostoma plicomphalus Guppy 1867 top snail
 Lepetellida - Fissurellidae
 Vanikoroidea - Eulimidae
Niso sp. Risso 1826 snail
Balcis "sp. A" Leach 1847 snail
 Neotaenioglossa - Calyptraeidae
Trochita radians, Calyptraea centralis, "Crucibulum (Crucibulum) subsutum" = Crucibulum subsutum
Trochita radians Lamarck 1816 slipper shell
Calyptraea centralis Conrad 1841 slipper shell
"Crucibulum (Crucibulum) subsutum" = Crucibulum subsutum Guppy 1867 slipper shell
 Pseudomelanoidea - Pseudomelaniidae
 Cerithioidea - Turritellidae
Vermicularia trilineata Guppy 1864 turret shell
Vermicularia spirata Philippi 1836 turret shell
 Sorbeoconcha - Cerithiopsidae
 Sorbeoconcha - Triphoridae
 Sorbeoconcha - Vermetidae
Serpulorbis decussatus Gmelin 1791 worm shell
 Neogastropoda - Cystiscidae
"Persicula (Rabicea) cf. interruptolineata" = Persicula interruptalineata
"Persicula (Rabicea) cf. interruptolineata" = Persicula interruptalineata Megerle von Mühlfeld 1818 snail
 Neogastropoda - Columbellidae
"Zanassarina sp." = Nassarina (Zanassarina), "Strombina (Sincola) crassilabrum" = Sincola (Sincola) crassilabrum, "Anachis (Costoanachis) obesa" = Parvanachis obesa
"Zanassarina sp." = Nassarina (Zanassarina) Pilsbry and Lowe 1932 snail
"Strombina (Sincola) crassilabrum" = Sincola (Sincola) crassilabrum Guppy 1874 snail
"Anachis (Costoanachis) obesa" = Parvanachis obesa Adams 1845 snail
 Sorbeoconcha - Triviidae
"Erato maugeriae" = Archierato maugeriae
"Erato maugeriae" = Archierato maugeriae Gray 1832 snail
 Sorbeoconcha - Cypraeidae
Cypraea sp. Linnaeus 1758 cowry
 Sorbeoconcha - Ovulidae
"Neosimnia cf. uniplicata" = Simnialena uniplicata
"Neosimnia cf. uniplicata" = Simnialena uniplicata Sowerby 1848 snail
 Sorbeoconcha - Bursidae
"Bursa (Marsupina) bufo" = Marsupina bufo
"Bursa (Marsupina) bufo" = Marsupina bufo Bruguiére 1792 frog shell
 Sorbeoconcha - Naticidae
Tectonatica pusilla, "Natica (Naticarius) canrena" = Naticarius canrena
Tectonatica pusilla Say 1822 moon snail
"Natica (Naticarius) canrena" = Naticarius canrena Linnaeus 1758 moon snail
 Heterostropha - Architectonicidae
"Architectonica (Architectonica) nobilis" = Architectonica nobilis
"Architectonica (Architectonica) nobilis" = Architectonica nobilis Röding 1798 sundial
Subspecies: A. (A.) nobilis nobilis
Bivalvia
 Nuculida - Nuculidae
 Nuculanida - Nuculanidae
"Nuculana (Saccella) perlepida" = Saccella
"Nuculana (Saccella) perlepida" = Saccella pointed nut clam
 Carditida - Crassatellidae
Crassinella martinicensis d'Orbigny 1853 clam
 Carditida - Carditidae
 Pholadida - Corbulidae
"Notocorbula aff. disparilis" = Corbula (Notocorbula) clam
Juliacorbula aequivalvis Philippi 1836 clam
 Cardiida - Veneridae
Anomalocardia brasiliana Gmelin 1792 venus clam
Chione (Nioche) veatchiana Maury 1912 venus clam
"Chione (Chione) cancellata" = Chione cancellata Linnaeus 1767 venus clam
Tivela (Tivela) austeniana Maury 1912 venus clam
 Cardiida - Mactridae
Mulinia sp., "Mactra (Micromactra) cf. maracaibensis" = Mactrotoma
Mulinia sp. Gray 1837 clam
"Mactra (Micromactra) cf. maracaibensis" = Mactrotoma surfclam
 Cardiida - Chamidae
Chama sp. Linnaeus 1758 jewel box
 Cardiida - Cardiidae
"Trachycardium (Dallocardia) sanctidavidis" = Dallocardia
"Trachycardium (Dallocardia) sanctidavidis" = Dallocardia cockle
 Cardiida - Tellinidae
Strigilla (Strigilla) carnaria Linnaeus 1758 tellin clam
Strigilla (Pisostrigilla) pisiformis Linnaeus 1758 tellin clam
 Cardiida - Donacidae
 Mytilida - Mytilidae
Brachidontes (Brachidontes) sp. Swainson 1840 mussel
 Arcida - Glycymerididae
 Arcida - Noetiidae
Noetia (Eontia) centrota Guppy 1867 clam
Arcopsis adamsi Dall 1886 clam
 Arcida - Arcidae
Lunarca billingsiana, "Barbatia (? Fugleria) millifila" = Fugleria, "Arca (Arca) zebra" = Byssoarca zebra, "Barbatia (Acar) domingensis" = Acar domingensis, "Arca (Arca) imbricata" = Lamarcka imbricata
Lunarca billingsiana Maury 1912 ark
"Barbatia (? Fugleria) millifila" = Fugleria clam
Subspecies; Barbatia (F.) millifera latrinidadis
"Arca (Arca) zebra" = Byssoarca zebra Swainson 1833 ark
Subspecies: Arca (A.) zebra zebra
"Barbatia (Acar) domingensis" = Acar domingensis Lamarck 1819 miniature ark
"Arca (Arca) imbricata" = Lamarcka imbricata Bruguière 1789 clam
Subspecies: Arca (A.) imbricata imbricata
 Pectinida - Plicatulidae
Plicatula gibbosa Lamarck 1801 scallop
 Pectinida - Anomiidae
Anomia simplex d'Orbigny 1845 jingle
 Pectinida - Pectinoidae
"Aequipecten (Plagioctenium) demiurgus" = Argopecten demiurgus, "Aequipecten (Plagioctenium) rutamensis" = Argopecten, "Aequipecten (Plagioctenium) cf. gibbus" = Argopecten gibbus
"Aequipecten (Plagioctenium) demiurgus" = Argopecten demiurgus Dall 1898 calico scallop
"Aequipecten (Plagioctenium) rutamensis" = Argopecten calico scallop
"Aequipecten (Plagioctenium) cf. gibbus" = Argopecten gibbus Linnaeus 1758 calico scallop
Scaphopoda
 Dentaliida - Dentaliidae