PA02Q12 - marine terrace V (Pleistocene 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: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: Pleistocene marine terrace deposits. THICKNESS: Unknown thickness. AGE: Middle Pleistocene (92-135 ka). STRATIGRAPHIC POSITION: Unknown position within terrace deposit.

• bed-level stratigraphic resolution

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

• ENVIRONMENT: Open ocean, rocky bottom, high energy, euhaline waters. SEQUENCE STRATIGRAPHY: Accumulated from sea level highstand.
• SPECIFIC LITHOLOGY: Coarse sands, shell debris, and pebbles, partially cemented by carbonate. LITHIFICATION: Poorly lithified 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 71607: authorized by Austin Hendy, entered by Austin Hendy on 01.05.2007

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.
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle
 Mytilida - Mytilidae
"Mytilus (Mytilus) edulis" = Mytilus edulis Linnaeus 1758 mussel
 Cardiida - Veneridae
"Protothaca antiqua" = Ameghinomya antiqua
"Protothaca antiqua" = Ameghinomya antiqua King 1832 venus clam
 Patellida - Nacellidae
Nacella magellanica Gmelin 1791 limpet
 Trochoidea - Trochidae
"Tegula atra" = Chlorostoma atrum
"Tegula atra" = Chlorostoma atrum Lesson 1830 top 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 - Nassariidae
"Buccinanops globulosus" = Bullia (Buccinanops)
"Buccinanops globulosus" = Bullia (Buccinanops) snail
 Neogastropoda - Muricidae
Trophon varians murex snail