Cabo Blanco [Montezuma Fm] (Pleistocene of Costa Rica)

Where: Costa Rica (9.7° N, 85.1° W: paleocoordinates 9.7° N, 85.1° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Montezuma Formation, Pleistocene (2.6 - 0.0 Ma)

• LITHOSTRATIGRAPHY: From the Montezuma Formation. AGE: Pleistocene, according to Baumgartner et al. (1984, p. 96, 126); justification not provided in text; Pliocene in Aguilar (1987); placed in Pleistocene by enterer on the basis of Jung (1989). STRATIGRAPHIC POSITION: List is representative of formation.

• formation-level stratigraphic resolution

Environment/lithology: coastal; fine-grained, calcareous sandstone

• ENVIRONMENT: Not stated in text, but likely from a shallow marine siliciclastic facies.
• LITHOLOGY: Fine calcareous sandstone. LITHIFICATION: Unknown.

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text, but presumably the author. REPOSITORY: Unknown, presumably in Costa Rica.

Primary reference: T. Aguilar. 1987. Comparacion entre la fauna malacologica de las principales formaciones del Plioceno marino de Costa Rica, America Central. Revista Geológica de América Central 6:43-73 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 135044: authorized by Austin Hendy, entered by Austin Hendy on 20.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: Not an authoritative publication, but with species-resolution identifications, and variably antiquated nomenclature. COVERAGE: Exhaustive for molluscs.
Bivalvia
 Arcida - Arcidae
"Anadara (Cunearca) nux" = Anadara nux
"Anadara (Cunearca) nux" = Anadara nux Sowerby I 1833 ark
 Arcida - Glycymerididae
"Glycymeris (Tucetona) strigillata" = Tucetona
"Glycymeris (Tucetona) strigillata" = Tucetona clam
 Pectinida - Propeamussiidae
Cyclopecten sp. Verrill 1897 mud scallop
 Pectinida - Pectinoidae
"Chlamys (Argopecten) circularis" = Argopecten ventricosus
"Chlamys (Argopecten) circularis" = Argopecten ventricosus Sowerby 1842 calico scallop
 Pholadida - Corbulidae
"Corbula (Cuneocorbula) oropendula" = Caryocorbula oropendula
"Corbula (Cuneocorbula) oropendula" = Caryocorbula oropendula Olsson 1922 clam
 Cardiida - Veneridae
Chione (Chione) aff. compta Broderip 1835 venus clam
Chione (Chionopsis) ornatissima Broderip 1835 venus clam
"Chione (Lirophora) falconensis" = Lirophora (Lirophora) falconensis Hodson et al. 1927 venus clam
"Pitar (Pitarella) sp." = Agriopoma Dall 1902 venus
Pitar (Pitar) cf. consanguineus Adams 1852 venus clam
 Cardiida - Tellinidae
"Tellina (Angulus) sp." = Angulus Megerle 1811 tellin clam
Tellina (Laciolina) aff. ochracea Carpenter 1864 tellin clam
Tellina (Phyllodina) pristiphora Dall 1900 tellin clam
Macoma (Psammacoma) siliqua Adams 1852 tellin clam
Tellina (Eurytellina) eburnea Hanley 1844 tellin clam
 Cardiida - Cardiidae
"Trigoniocardia (Americardia) media" = Americardia media, Papyridea aff. aspera
"Trigoniocardia (Americardia) media" = Americardia media Linnaeaus 1758 cockle
Papyridea aff. aspera Sowerby 1833 cockle
 Thraciida - Thraciidae
Cyathodonta undulata Conrad 1849 clam
SUBSPECIES: Cyathodonta undulata cf. peruviana
 Lucinida - Lucinidae
"Lucina (Lucinisca) sp." = Lucinisca, Ctena prechiquita
"Lucina (Lucinisca) sp." = Lucinisca Dall 1901 clam
Ctena prechiquita Fischer 1986 clam
 Protobranchia - Nuculanidae
Nuculana (Saccella) karlmartini Weisbord 1964 pointed nut clam
SUBSPECIES: Nuculana (Saccella) karlmartini santarosaensis
Gastropoda
 Neogastropoda - Olividae
 Neogastropoda - Columbellidae
 Neogastropoda - Buccinidae
Truncaria brunneocincta, Solenosteira alternata, "Phos (Antillophos) "sp. A"" = Antillophos, "Phos (Antillophos) "sp. B"" = Antillophos
"Phos (Antillophos) "sp. A"" = Antillophos Woodring 1928 true whelk
"Phos (Antillophos) "sp. B"" = Antillophos Woodring 1928 true whelk
 Neogastropoda - Nassariidae
 Neogastropoda - Fasciolariidae
 Neogastropoda - Cancellariidae
 Neogastropoda - Muricidae
Murex sp. Linnaeus 1758 murex snail
 Neogastropoda - Turridae
 Neogastropoda -
? Glyphostoma sp. Gabb 1872 snail
 Neogastropoda - Conidae
"Conus (Asprella) aff. arcuatus" = Conus arcuatus, Conus (Ximeniconus) tornatus
"Conus (Asprella) aff. arcuatus" = Conus arcuatus Sowerby 1829 cone shell
 Neogastropoda - Terebridae
Strioterebrum wolfgangi Toula 1909 auger snail
"Terebra aff. glauca" = Strioterebrum glaucum Hinds 1844 auger snail
Terebra gracilenta auger snail
 Ficoidea - Ficidae
Ficus carbasea Guppy 1866 fig shell
SUBSPECIES: Ficus carbasea carbasea
 Vanikoroidea - Hipponicidae
 Naticoidea - Naticidae
 Vermetoidea - Vermetidae
"Serpulorbis papulosa" = Serpulorbis papulosus
"Serpulorbis papulosa" = Serpulorbis papulosus Guppy 1866 worm shell
 Calyptraeoidea - Calyptraeidae
"Crepidula (Crepidula) cf. maculosa" = Crepidula maculosa
"Crepidula (Crepidula) cf. maculosa" = Crepidula maculosa Conrad 1846 slipper shell
 Tonnoidea - Ranellidae
"Cymatium (Linatella) cf. wiegmanni" = Monoplex wiegmanni, Turritriton gibbosus
"Cymatium (Linatella) cf. wiegmanni" = Monoplex wiegmanni Anton 1839 triton shell
Turritriton gibbosus Broderip 1833 triton shell
 Tonnoidea - Personidae
"Distorsio (Rhysema) floridana" = Distorsio mcgintyi, "Distorsio (Rhysema) decussata" = Distorsio decussata
"Distorsio (Rhysema) floridana" = Distorsio mcgintyi Emerson and Puffer 1953 snail
"Distorsio (Rhysema) decussata" = Distorsio decussata Valenciennes 1832 snail
SUBSPECIES: Distorsio (Rhysema) decussata gatunensis
 Tonnoidea - Bursidae
"Bursa (Colubrellina) caelata" = Bursa corrugata
"Bursa (Colubrellina) caelata" = Bursa corrugata Perry 1811 frog shell
SUBSPECIES: Bursa (Colubrellina) caelata amphitrites
 Sorbeoconcha - Turritellidae
Turritella (Bactrospira) altilira Conrad 1857 turret shell
SUBSPECIES: Turritella (Bactrospira) altilira altilira
 Architectonicoidea - Architectonicidae
"Architectonica (Architectonica) nobilis" = Architectonica nobilis
"Architectonica (Architectonica) nobilis" = Architectonica nobilis Röding 1798 sundial
 Fissurelloidea - Fissurellidae
Diodora sp. Gray 1821 snail