Baixo Parnaiba (Miocene of Brazil)

Where: Piaui, Brazil (3.1° S, 41.8° W: paleocoordinates 2.9° S, 37.6° W)

• coordinate stated in text

When: Pirabas Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: coastal; lithology not reported

Size class: macrofossils

Primary reference: V. Araujo Tavora, A. A. R. dos Santos, and R. N. Araujo. 2010. Localidades fossiliferas da Formacao Pirabas (Mioceno Inferior). Boletim do Museu Paraense Emílio Goeldi Ciências Naturais, Belém 5(2):207-224 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 112601: authorized by Mark Uhen, entered by Mark Uhen on 13.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Potamididae
Potamides suprasulcatus Gabb 1873 horn snail
 Cerithioidea - Turritellidae
Turritella meunieri turret shell
Turritella (Torcula) altilira Conrad 1857 turret shell
Mesalia rathbuni Maury 1934 turret shell
 Neogastropoda - Mitridae
Mitra (Tiara) sp. Swainson 1831 mitre shell
 Sorbeoconcha - Naticidae
"Natica canrena" = Naticarius canrena
"Natica canrena" = Naticarius canrena Linnaeus 1758 moon snail
 Trochoidea - Turbinidae
Bivalvia
 Ostreida - Ostreidae
 Pectinida - Pectinoidae
"Chlamys (Argopecten) cf. concinnatus" = Argopecten
"Chlamys (Argopecten) cf. concinnatus" = Argopecten calico scallop
 Arcida - Noetiidae
 Arcida - Arcidae
"Arca (Arca) imbricata" = Lamarcka imbricata, Anadara egleri, "Anadara brasiliana" = Anadara (Cunearca) brasiliana
"Arca (Arca) imbricata" = Lamarcka imbricata Bruguière 1789 clam
"Anadara brasiliana" = Anadara (Cunearca) brasiliana Lamarck 1819 ark
 Cardiida - Veneridae
Tivela sulcata venus clam
Chione (Chione) subrostrata Lamarck 1818 venus clam
 Cardiida - Donacidae