Rio Varela, Tierra del Fuego (Holocene of Argentina)

Where: Argentina (54.2° S, 67.2° W: paleocoordinates 54.2° S, 67.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From Holocene sediments. AGE: Holocene, 6,240 +/- 70 yrs BP (Corontao et al. 1999).

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, gray claystone

• ENVIRONMENT: Shallow marine.
• SPECIFIC LITHOLOGY: Massive grayish clays. LITHIFICATION: Unlithified

Size class: macrofossils

Preservation: original aragonite, original calcite

Collection methods: bulk,

• COLLECTORS: The authors: Gordillo, Coronato and Rabassa (2002). REPOSITORY: Quaternary mollusc collection from Tierra del Fuego (TDF-Q) at the Centro de Investigaciones Paleobiológicas (CIPAL), Universidad Nacional de Córdoba, Argentina.

Primary reference: S. Gordillo, A. M. J. Coronato, and J. O. Rabassa. 2005. Quaternary molluscan faunas from the island of Tierra de Fuega after the Last Glacial Maximum. Scientia Marina 69(2):337-348 [A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 71602: authorized by Austin Hendy, entered by Austin Hendy on 30.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhasutive for gastropoda and bivalvia. NOMENCLATURE: Modern nomenclature with species level assignments.
unclassified
  -
Gastropoda
 Lepetellida - Fissurellidae
Fissurella sp. Bruguière 1789 snail
 Neotaenioglossa - Calyptraeidae
Trochita pileus Lamarck 1822 slipper shell
 Cerithioidea - Turritellidae
Colpospirella algida Melvill and Standen 1912 turret shell
 Neogastropoda - Buccinidae
Pareuthria sp. Strebel 1905 true whelk
 Neogastropoda - Muricidae
"Fuegotrophon pallidus" = Trophon pallidus, "Trophon geversianus" = Trophon geversianum, Xymenopsis muriciformis
"Fuegotrophon pallidus" = Trophon pallidus Broderip and Sowerby 1833 murex snail
"Trophon geversianus" = Trophon geversianum Pallas 1774 murex snail
Xymenopsis muriciformis King and Broderip 1832 murex snail
 Sorbeoconcha - Littorinidae
Laevilitorina caliginosa Gould 1850 periwinkle
Bivalvia
 Cardiida - Cyamiidae
Cyamium sp. Philippi 1845 clam
 Cardiida - Neoleptonidae
Neolepton sp. Monterosato 1875 clam
 Cardiida - Lasaeidae
Lasaea sp. Brown 1827 clam
 Cardiida - Montacutidae
 Cardiida - Veneridae
"Protothaca antiqua" = Ameghinomya antiqua, "Retrotapes exalbidus" = Retrotapes exalbida
"Protothaca antiqua" = Ameghinomya antiqua King 1832 venus clam
"Retrotapes exalbidus" = Retrotapes exalbida Dillwyn 1817 venus clam
 Hiatellida - Hiatellidae
Hiatella arctica Linnaeus 1767 clam
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam