Lago Roca, Tierra del Fuego (Holocene of Argentina)

Where: Argentina (54.8° S, 68.6° W: paleocoordinates 54.8° S, 68.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From Holocene sediments. AGE: Holocene, 7,518 +/- 58 yrs BP.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, gray claystone

• ENVIRONMENT: Epifaunal community accumalted during deglaciation.
• 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 71601: 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
 Sorbeoconcha - Newtoniellidae
 Neogastropoda - Muricidae
Xymenopsis muriciformis King and Broderip 1832 murex snail
 Neogastropoda - Buccinidae
Pareuthria sp. Strebel 1905 true whelk
Savatieria frigida Rochebrune and Mabille 1885 true whelk
 Sorbeoconcha - Eatoniellidae
Eatoniella sp. Dall 1876 snail
 Sorbeoconcha - Rissoidae
Onoba sp. Adams and Adams 1834 snail
 Neotaenioglossa - Calyptraeidae
Trochita pileolus d'Orbigny 1841 slipper shell
 Patellida - Nacellidae
"Nacella" sp. Schumacher 1817 limpet
 Heterostropha - Mathildidae
 Trochoidea - Trochidae
Bivalvia
 Nuculanida - Malletiidae
Tindariopsis sulculata Couthouy 1852 clam
COMMENTS: Spelt "Tyndariopsis"
 Nuculida - Nuculidae
Linucula pisum Sowerby 1833 nut clam
COMMENTS: Spelt "Linnucula"
 Cardiida - Cyamiidae
Cyamium sp. Philippi 1845 clam
 Cardiida - Neoleptonidae
Neolepton sp. Monterosato 1875 clam
 Cardiida - Lasaeidae
Lasaea sp. Brown 1827 clam
 Cardiida - Montacutidae
 Hiatellida - Hiatellidae
Hiatella solida Sowerby 1834 clam
 Pectinida - Pectinoidae
Zygochlamys patagonica King and Broderip 1832 scallop
 Arcida - Philobryidae
Philobrya ? sublaevis Pelseneer 1903 clam