CAS Loc. 27249, Isla Baltra: Pliocene, Ecuador
collected by Hertlein 1932
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Cheila equestris
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Eulimostraca cf. galapagensis
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Echinoidea
- Clypeasteroida
- Mellitidae
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Encope micropora
Agassiz 1841
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Gastropoda
- Eulimidae
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Balcis cf. berryi
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Gastropoda
- Litiopidae
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Alaba supralirata
Carpenter 1857
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Gastropoda
- Modulidae
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Modulus cerodes
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Gastropoda
- Cerithiidae
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Cerithium adustum
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Gastropoda
- Turritellidae
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Turritella broderipiana
d'Orbigny 1840
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| recombined as Turritella (Broderiptella) broderipiana | ||||||||||
| SUBSPECIES: Turritella broderipiana marmorata | ||||||||||
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Vermicularia eburnea
(Reeve 1842)
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Gastropoda
- Naticidae
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Polinices uber
(Valenciennes 1821)
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Polinices dubius
(Récluz 1843)
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Gastropoda
- Triphoridae
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Triphora cf. galapagensis
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Triphora cf. panamensis
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Gastropoda
- Cerithiopsidae
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Cerithiopsis curtata
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Cerithiopsis cf. galapagensis
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Gastropoda
- Littorinidae
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Tectarius galapagensis
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Gastropoda
- Barleeiidae
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Amphithalmus trosti
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| original and current combination Amphithalamus | ||||||||||
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Gastropoda
- Rissoidae
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Alvania cf. galapagensis
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Alvania cf. halia
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Alvania cf. hoodensis
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Alvania cf. nemo
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Rissoina cf. firmata
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Rissoina signae
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Gastropoda
- Cypraeidae
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Cypraea nigropunctata
Gray 1828
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| recombined as Pseudozonaria nigropunctata | ||||||||||
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Gastropoda
- Eratoidae
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Erato (Hespererato) marginata
Morch 1860
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| recombined as Hespererato (Hespererato) marginata | ||||||||||
| SUBSPECIES: Erato (Hespererato) marginata galapagensis | ||||||||||
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Gastropoda
- Triviidae
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Trivia radians
(Lamarck 1810)
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| recombined as Pusula radians | ||||||||||
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Trivia pacifica
(Gray 1832)
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| recombined as Niveria (Niveria) pacifica | ||||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Oliva sp.
Bruguière 1789
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Gastropoda
- Neogastropoda
- Cancellariidae
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Cancellaria cf. ovata
Sowerby 1832
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| recombined as Cancellaria (Cancellaria) ovata | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Fusinus dupetitthouarsii
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Gastropoda
- Neogastropoda
- Buccinidae
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Engina pyrostoma
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Cantharus janellii
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Cantharus cf. scissus
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius nodicinctus
(Adams 1852)
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Gastropoda
- Neogastropoda
- Columbellidae
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Pyrene fuscata
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Pyrene haemastoma
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Strombina gibberula
(Sowerby 1832)
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| recombined as Sincola (Dorsina) gibberula | ||||||||||
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Anachis cf. tabogaensis
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Gastropoda
- Neogastropoda
- Marginellidae
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Volvarina taeniolata
Mörch 1860
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Granula cf. minor
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Granula cf. polita
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Granula sp.
Jousseaume 1875
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Gastropoda
- Neogastropoda
- Cystiscidae
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Persicula imbricata
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Persicula cf. phrygia
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Persicula sp.
Schumacher 1817
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Granulina margaritida
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Gastropoda
- Neogastropoda
- Conidae
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Conus cf. lucidus
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Conus fergusoni
Sowerby 1875
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Gastropoda
- Neogastropoda
- Mangeliidae
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Mangelia cf. hancocki
Hertlein and Strong 1939
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Cytharella camarina
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Gastropoda
- Hipponicidae
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Hipponix pilosus
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Gastropoda
- Heterostropha
- Pyramidellidae
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Odostomia (Chrysallida) rinella
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| original and current combination Chrysallida | ||||||||||
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Pyramidella (Triptychus) cf. olssoni
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Pyramidella (Voluspa) sp.
Lamarck 1799
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Odostomia (Miralda) galapagensis
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| original and current combination Miralda | ||||||||||
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Turbonilla (Chemnitzia) houseri
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| original and current combination Chemnitzia | ||||||||||
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Iselica cf. kochi
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Odostomia (Menestho) aequisculpta
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Gastropoda
- Heterostropha
- Gastrocoptidae
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Gastrocopta munita
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Gastropoda
- Heterostropha
- Ellobiidae
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Pedipes angulatus
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Gastropoda
- Tegulidae
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Tegula snodgrassi
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Tegula forbesi
Dall and Oschner 1928
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Gastropoda
- Turbinidae
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Turbo vermiculosus
Dall and Oschner 1928
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Turbo agonistes
Dall and Oschner 1928
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Gastropoda
- Lepetellida
- Fissurellidae
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Fissurella cf. macrotrema
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Fissurella virescens
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Diodora alta
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Acteocina infrequens
(Adams 1852)
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Cylichna cf. defuncta
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Gastropoda
- Opisthobranchia
- Bullidae
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Bulla punctulata
Adams 1850
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Gastropoda
- Neritidae
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Nerita oligopleura
Dall and Oschner 1928
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Bivalvia
- Cardiida
- Ungulinidae
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Diplodonta subquadrata
Carpenter 1855
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| SUBSPECIES: Diplodonta subquadrata baltrana n. subsp. | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Megapitaria cf. aurantiaca
(Sowerby 1831)
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Nioche cf. zorritensis
Olsson 1961
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| synonym of Leukoma metodon | ||||||||||
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Protothaca (Tropithaca) grata
(Say 1831)
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| recombined as Leukoma grata | ||||||||||
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Protothaca (Tropithaca) cf. seymourensis
(Dall and Oschner 1928)
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Chione undatella
(Sowerby I 1835)
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Bivalvia
- Cardiida
- Solecurtidae
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Tagelus sp.
Gray 1847
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Bivalvia
- Cardiida
- Tellinidae
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Florimetis cognata
(Pilsbry and Vanatta 1902)
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| recombined as Psammotreta (Leporimetis) cognata | ||||||||||
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Bivalvia
- Cardiida
- Semelidae
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Cumingia cf. lamellosa
Sowerby 1833
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Bivalvia
- Cardiida
- Cardiidae
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Cardium elenense
Sowerby 1840
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| synonym of Laevicardium substriatum | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Ctena galapagana
(Dall 1901)
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus capax
(Conrad 1837)
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys (Argopecten) circularis
(Sowerby 1835)
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= Argopecten ventricosus
Sowerby 1842
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Coan et al. 2000 | |||||||||
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Pecten (Pecten) slevini
Dall and Oschner 1928
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Chlamys (Nodipecten) magnifica
(Sowerby 1835)
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| recombined as Nodipecten magnificus | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia peruviana
d'Orbigny 1846
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Bivalvia
- Ostreida
- Pinnidae
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Atrina cf. tuberculosa
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Ostrea megodon
Hanley 1846
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| recombined as Undulostrea megodon | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia reeveana
(d'Orbigny 1846)
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Bivalvia
- Arcida
- Noetiidae
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Arca (Arcopsis) solida
Sowerby I 1833
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| recombined as Arcopsis solida | ||||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris maculata
(Broderip 1832)
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| see common names | ||||||||||
Geography
| Country: | Ecuador |
| Coordinates: | 0.4° South, 90.3° West (view map) |
| Paleocoordinates: | 0.7° South, 92.2° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Pliocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Pliocene | ||
| Age range of interval: | 5.33300 - 2.58000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit, for which stratigraphic relationships are not discussed. AGE: Pliocene. STRATIGRAPHIC POSITION: White and yellowish tuffaceous strata interbedded
with lava. | |||||
Lithology and environment
| Primary lithology: | tuffaceous,white,yellow poorly lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: White and yellowish tuffaceous strata interbedded with lava. LITHIFICATION: Poorly-lithified, based on figured specimens. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | bulk,surface (in situ),sieve,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | CAS | ||
| Collectors: | Hertlein | Collection dates: | 1932 |
| Collection method comments: COLLECTOR: L.G. Hertlein, 1932. REPOSITORY: CAS. | |||
| Taxonomic list comments:COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, and species-resolution identifications. | |||
Metadata
| Database number: | 96596 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2010-06-13 20:13:24 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2010-06-13 20:13:24 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32786. | L. G. Hertlein. 1972. Pliocene fossils from Baltra (South Seymour) Island, Galápagos Islands. Proceedings of the California Academy of Sciences 39(3):25-46 [A. Hendy/A. Hendy] |
Secondary references:
| 18663 | E. V. Coan, P. V. Scott, and F. R. Bernard. 2000. Bivalve seashells of western North America. Santa Barbara Museum of Natural history Monographs 2:1-764 [A. Miller/A. Hendy/M. Uhen] |