PA02HOL6 - marine terrace VI (Holocene of Argentina)

Where: Argentina (44.8° S, 65.6° W: paleocoordinates 44.8° S, 65.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: Holocene marine terrace deposits. THICKNESS: Unknown thickness. AGE: Holocene (2,500-800 ka). STRATIGRAPHIC POSITION: Unknown position within terrace deposit.

• bed-level stratigraphic resolution

Environment/lithology: shoreface; unlithified, coarse-grained, pebbly, shelly/skeletal sandstone

• ENVIRONMENT: Open ocean, rocky bottom, high energy, euhaline waters. SEQUENCE STRATIGRAPHY: Accumulated from sea level highstand.
• SPECIFIC LITHOLOGY: Gravel and loose sand with abundant well-preserved shells. LITHIFICATION: Unlithified based on facies description.

Size class: macrofossils

Collection methods: bulk,

• COLLECTORS: Presumably M. L. Aguirre and others (c. 2000's). REPOSITORY: Presumably, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Argentina.

Primary reference: M. L. Aguirre, S. Richiano, and Y. Negro Sirch. 2006. Paleoenvrionments and paleoclimates of the Quaternary molluscan faunas from the coastal area of Bahía Vera-Camarones (Chubut, Patagonia). Palaeogeography, Palaeoclimatology, Palaeoecology 229:251-286 [A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 71675: authorized by Austin Hendy, entered by Austin Hendy on 06.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropods and bivalvia. Brachiopods, cirripeds, bryozoa and corals not identified to genus level. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature, and use of subgenus and species-level assignments.
Thecostraca
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle
Bivalvia
 Mytilida - Mytilidae
"Mytilus (Mytilus) edulis" = Mytilus edulis Linnaeus 1758 mussel
 Pectinida - Pectinoidae
Aequipecten tehuelchus d'Orbigny 1842 scallop
Gastropoda
 Patellida - Nacellidae
"Patinigera deaurata" = Nacella (Patinigera), Nacella magellanica
"Patinigera deaurata" = Nacella (Patinigera) limpet
Nacella magellanica Gmelin 1791 limpet
 Trochoidea - Tegulidae
"Tegula patagonica" = Agathistoma patagonicum
"Tegula patagonica" = Agathistoma patagonicum d'Orbigny 1835 snail
 Lepetellida - Fissurellidae
 Neotaenioglossa - Calyptraeidae
Crepidula protea, "Crepidula dilatata" = Crepipatella dilatata
Crepidula protea d'Orbigny 1941 slipper shell
"Crepidula dilatata" = Crepipatella dilatata Lamarck 1822 slipper shell
 Neogastropoda - Buccinidae
 Neogastropoda - Muricidae
Trophon varians, "Trophon geversianus" = Trophon geversianum
Trophon varians murex snail
"Trophon geversianus" = Trophon geversianum Pallas 1774 murex snail