PBDB Collection

PSst-1-RS (33-36 m) - Rio Grande do Sul (Holocene of Brazil)

Where: Brazil (30.2° S, 50.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: Unknown lithostratigraphic unit. THICKNESS: From drill hole of at least 45 m thick, from 3 m thick unit. AGE: Holocene, based of faunal similarity with Uruguan and Argentinian Holocene assemblages. STRATIGRAPHIC POSITION: From 33-36 m in drill hole.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified siliciclastic sediments

• ENVIRONMENT: Shallow siliciclastic marine environment.

• SPECIFIC LITHOLOGY: Unknown lithology, presumably from unlithified siliciclastic facies. LITHIFICATION: Presumably unlithified given age and figured specimens.

Size class: macrofossils

Collection methods: core,

• COLLECTOR: Petrobas Petroleum Company. REPOSITORY: Unknown repository, possibly the School of Geology, National Science Institute, Brazil.

Primary reference: I. R. da Silva Forti. 1969. Cenozoic Mollusks from the drillholes Cassino and Palmares do Sul of the Coastal Plain of Rio Grande do Sul. Iheringia Geologia 2:55-155 [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72120: authorized by Austin Hendy, entered by Austin Hendy on 25.05.2007

Creative Commons license: CC0 (CC0)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. Other groups not discussed. NOMENCLATURE: Authoritative publication with subgenus and species level designations, but nevertheless somewhat antiquated.

Show authors, comments, and common names

Bivalvia
Nuculida - Nuculidae	"Nucula (Ennucula) puelcha" = Ennucula puelcha, "Nucula (Nucula) semiornata" = Nucula (Lamellinucula) semiornata "Nucula (Ennucula) puelcha" = Ennucula puelcha d'Orbigny 1842 nut clam "Nucula (Nucula) semiornata" = Nucula (Lamellinucula) semiornata d'Orbigny 1846 nut clam
Pholadida - Corbulidae	"Caryocorbula (Hexacorbula) sp." = Hexacorbula "Caryocorbula (Hexacorbula) sp." = Hexacorbula Olsson 1932 clam
Pholadida - Myidae	"Corbula iheringiana" = Sphenia iheringiana "Corbula iheringiana" = Sphenia iheringiana Pilsbry 1897 softshell clam
Cardiida - Veneridae	Clausinella gayi, Anomalocardia brasiliana, "Protothaca antiqua" = Ameghinomya antiqua, "Pitar (Pitar) rostratum" = Pitar rostratus, "Amiantis (Amiantis) purpurata" = Amiantis purpurata Clausinella gayi Húpe 1854 venus clam Anomalocardia brasiliana Gmelin 1792 venus clam "Protothaca antiqua" = Ameghinomya antiqua King 1832 venus clam "Pitar (Pitar) rostratum" = Pitar rostratus Koch 1943 venus clam "Amiantis (Amiantis) purpurata" = Amiantis purpurata Lamarck 1818 venus clam
Cardiida - Mactridae	"Mactra (Mactra) patagonica" = Mactra patagonica "Mactra (Mactra) patagonica" = Mactra patagonica d'Orbigny 1846 clam
Carditida - Crassatellidae	Crassinella maldonadoensis Crassinella maldonadoensis Pilsbry 1897 clam
Pectinida - Pectinoidae	"Pecten (Chlamys) tehuelchus" = Aequipecten tehuelchus "Pecten (Chlamys) tehuelchus" = Aequipecten tehuelchus d'Orbigny 1842 scallop
Arcida - Arcidae	Anadara (Larkinia) notabilis Anadara (Larkinia) notabilis Röding 1798 ark
Arcida - Noetiidae	"Noetia (Eontia) bisulcata" = Noetia bisulcata "Noetia (Eontia) bisulcata" = Noetia bisulcata Lamarck 1819 clam
Gastropoda
Opisthobranchiata - Cylichnidae	"Cylichna (Cylichnella) bidentata" = Acteocina bidentata "Cylichna (Cylichnella) bidentata" = Acteocina bidentata d'Orbigny 1841 barrel-bubble
Heterostropha - Pyramidellidae	"Odostomia (Chrysallida) seminuda" = Boonea seminuda "Odostomia (Chrysallida) seminuda" = Boonea seminuda Adams 1839 snail
Trochoidea - Trochidae	Halistylus columna, Calliostoma aff. puelchanum Halistylus columna Dall 1890 top snail Calliostoma aff. puelchanum Borchert 1901 top snail
Trochoidea - Tegulidae	"Tegula (Agathistoma) "sp. A"" = Tegula, "Tegula patagonica" = Agathistoma patagonicum "Tegula (Agathistoma) "sp. A"" = Tegula Lesson 1835 snail "Tegula patagonica" = Agathistoma patagonicum d'Orbigny 1835 snail
Epitonioidea - Epitoniidae	"Epitonium (Epitonium) georgettina" = Epitonium georgettinum "Epitonium (Epitonium) georgettina" = Epitonium georgettinum Kiener 1838 wentletrap
Neogastropoda - Columbellidae	Anachis (Costoanachis) anachis, "Anachis (Costoanachis) obesa" = Parvanachis obesa Anachis (Costoanachis) anachis snail "Anachis (Costoanachis) obesa" = Parvanachis obesa Adams 1845 snail
Neogastropoda - Nassariidae	Nassarius coppingeri Nassarius coppingeri snail
Neogastropoda - Olividae	Olivella (Olivina) tehuelchana Olivella (Olivina) tehuelchana d'Orbigny 1841 olive snail
Neogastropoda - Drilliidae	"Drillia patagonica" = Spirotropis patagonica "Drillia patagonica" = Spirotropis patagonica d'Orbigny 1841 snail
Sorbeoconcha - Naticidae	"Natica (Natica) isabelleana" = Notocochlis isabelleana, Tectonatica pusilla "Natica (Natica) isabelleana" = Notocochlis isabelleana d'Orbigny 1840 moon snail Tectonatica pusilla Say 1822 moon snail
Sorbeoconcha - Hydrobiidae	"Littoridina australis" = Heleobia australis "Littoridina australis" = Heleobia australis d'Orbigny 1837 snail
Sorbeoconcha - Caecidae	"Caecum (Elephantanellum) imbricatum" = Caecum imbricatum "Caecum (Elephantanellum) imbricatum" = Caecum imbricatum Carpenter 1858 snail
Neotaenioglossa - Calyptraeidae	"Crepidula (Bostrycapulus) aculeata" = Bostrycapulus aculeatus, Crepidula (Crepidula) protea "Crepidula (Bostrycapulus) aculeata" = Bostrycapulus aculeatus Gmelin 1791 slipper shell Crepidula (Crepidula) protea d'Orbigny 1941 slipper shell
Cerithioidea - Planaxidae	Fossarus florius Fossarus florius snail
Cerithioidea - Scaliolidae	"Alabina cerithidioides" = Finella dubia "Alabina cerithidioides" = Finella dubia d'Orbigny 1840 snail [entered as Alabina cerithioides]