Mejillones Peninsula (Pliocene of Chile)

Where: Antofagasta, Chile (23.4° S, 70.5° W: paleocoordinates 23.6° S, 69.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Cuesta del Burro Member (La Portada Formation), Pliocene (5.3 - 2.6 Ma)

• early Middle Pliocene

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; sandstone

• richly fossiliferous, coarse-grained sandstone

Size class: macrofossils

Primary reference: L. Ragaini, C. di Celma, and G. Cantalamessa. 2008. Warm-water mollusc assemblages from northern Chile (Mejillones Peninsula): new evidence for permanent El Nino-like conditions during Pliocene warmth?. Journal of the Geological Society 165:1075-1084 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96707: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Cerithioidea - Turritellidae
Incatella cf. cingulatiformis
Incatella cf. cingulatiformis Möricke 1896 turret shell
 Sorbeoconcha - Campanilidae
"Cerithium stercusmuscarum" = Cerithium (Thericium) stercusmuscarum
"Cerithium stercusmuscarum" = Cerithium (Thericium) stercusmuscarum Valenciennes 1833 snail
 Neogastropoda - Muricidae
Herminespina mirabilis, Xanthochorus cassidiformis, Concholepas nodosa
Herminespina mirabilis Möricke 1896 murex snail
Xanthochorus cassidiformis Blainville 1832 murex snail
Concholepas nodosa Möricke 1896 murex snail
 Neogastropoda - Olividae
Oliva peruviana, Olivella sp.
Oliva peruviana Lamarck 1811 olive snail
Olivella sp. Swainson 1831 olive snail
 Neogastropoda - Thaisidae
Chorus blainvillei
 Neogastropoda - Fasciolariidae
Fusinus remondi
 Neotaenioglossa - Calyptraeidae
"Crepidula dilatata" = Crepipatella dilatata
"Crepidula dilatata" = Crepipatella dilatata Lamarck 1822 slipper shell
 Patellogastropoda - Patellidae
Patella sp.
Patella sp. Linnaeus 1758 limpet
 Opisthobranchia - Bullidae
Bulla punctulata
Bulla punctulata Adams 1850 snail
 Trochoidea - Trochidae
"Tegula atra" = Chlorostoma atrum
"Tegula atra" = Chlorostoma atrum Lesson 1830 top snail
 Trochoidea - Turbinidae
"Turbo cf. fluctuosus" = Turbo (Callopoma) fluctuosus
"Turbo cf. fluctuosus" = Turbo (Callopoma) fluctuosus Wood 1828 snail
Bivalvia
 Cardiida - Veneridae
Dosinia ponderosa
Dosinia ponderosa Gray 1838 venus clam
 Cardiida - Donacidae
Donax peruvianus
 Cardiida - Semelidae
Semele solida
Semele solida Gray 1828 clam
 Cardiida - Cardiidae
Mexicardia procera
Mexicardia procera Sowerby 1833 cockle
 Hiatellida - Hiatellidae
Panopea sp.
Panopea sp. Menard 1807 clam
 Mytilida - Mytilidae
Choromytilus chorus
Choromytilus chorus Molina 1782 mussel
 Ostreida - Ostreidae
Ostrea sp., Undulostrea megodon
Ostrea sp. Linnaeus 1758 oyster
Undulostrea megodon Hanley 1846 oyster
 Pectinida - Anomiidae
Anomia peruviana
Anomia peruviana d'Orbigny 1846 jingle
 Pectinida - Pectinoidae
Argopecten purpuratus, Argopecten ventricosus, Chlamys simpsoni, Chlamys vidali
Argopecten purpuratus Lamarck 1819 calico scallop
Argopecten ventricosus Sowerby 1842 calico scallop
 Arcida - Glycymerididae
"Glycymeris ovatus" = Glycymeris ovata
"Glycymeris ovatus" = Glycymeris ovata Stanton 1895 clam