PBDB Collection

CAS Loc. 27249, Isla Baltra (Pliocene of Ecuador)

Where: Ecuador (0.4° S, 90.3° W: paleocoordinates 0.7° S, 92.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pliocene (5.3 - 2.6 Ma)

• 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.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, tuffaceous, white, yellow siliciclastic sediments

• SPECIFIC LITHOLOGY: White and yellowish tuffaceous strata interbedded with lava. LITHIFICATION: Poorly-lithified, based on figured specimens.

Size class: macrofossils

Collected by Hertlein in 1932; reposited in the CAS

Collection methods: bulk, surface (in situ), sieve,

• COLLECTOR: L.G. Hertlein, 1932. REPOSITORY: CAS.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96596: authorized by Austin Hendy, entered by Austin Hendy on 13.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, and species-resolution identifications.

Show authors, comments, and common names

unclassified
-	Cheila equestris, Eulimostraca cf. galapagensis Cheila equestris Eulimostraca cf. galapagensis
Echinoidea
Clypeasteroida - Mellitidae	Encope micropora Encope micropora Agassiz 1841 sand dollar
Gastropoda
Trochoidea - Tegulidae	Tegula snodgrassi, Tegula forbesi Tegula snodgrassi snail Tegula forbesi Dall and Oschner 1928 snail
Trochoidea - Turbinidae	Turbo vermiculosus, Turbo agonistes Turbo vermiculosus Dall and Oschner 1928 snail Turbo agonistes Dall and Oschner 1928 snail
Lepetellida - Fissurellidae	Fissurella cf. macrotrema, Fissurella virescens, Diodora alta Fissurella cf. macrotrema snail Fissurella virescens snail Diodora alta snail
Neritoidea - Neritidae	Nerita oligopleura Nerita oligopleura Dall and Oschner 1928 snail
Sorbeoconcha - Naticidae	Polinices dubius, Polinices uber Polinices dubius Récluz 1843 moon snail Polinices uber Valenciennes 1821 moon snail
Sorbeoconcha - Cerithiopsidae	Cerithiopsis curtata, Cerithiopsis cf. galapagensis Cerithiopsis curtata snail Cerithiopsis cf. galapagensis snail
Sorbeoconcha - Triphoridae	Triphora cf. galapagensis, Triphora cf. panamensis Triphora cf. galapagensis snail Triphora cf. panamensis snail
Sorbeoconcha - Rissoidae	Alvania cf. galapagensis, Alvania cf. halia, Alvania cf. hoodensis, Alvania cf. nemo, Rissoina cf. firmata, Rissoina signae Alvania cf. galapagensis snail Alvania cf. halia snail Alvania cf. hoodensis snail Alvania cf. nemo snail Rissoina cf. firmata snail Rissoina signae snail
Sorbeoconcha - Barleeiidae	"Amphithalmus trosti" = Amphithalamus "Amphithalmus trosti" = Amphithalamus snail
Neogastropoda - Olividae	Oliva sp. Oliva sp. Bruguière 1789 olive snail
Neogastropoda - Columbellidae	Pyrene fuscata, Pyrene haemastoma, "Strombina gibberula" = Sincola (Dorsina) gibberula, Anachis cf. tabogaensis Pyrene fuscata snail Pyrene haemastoma snail "Strombina gibberula" = Sincola (Dorsina) gibberula Sowerby 1832 snail Anachis cf. tabogaensis snail
Neogastropoda - Nassariidae	Nassarius nodicinctus Nassarius nodicinctus Adams 1852 snail
Neogastropoda - Fasciolariidae	Fusinus dupetitthouarsii Fusinus dupetitthouarsii snail
Neogastropoda - Buccinidae	Cantharus janellii, Cantharus cf. scissus, Engina pyrostoma Cantharus janellii true whelk Cantharus cf. scissus true whelk Engina pyrostoma true whelk
Neogastropoda - Cancellariidae	"Cancellaria cf. ovata" = Cancellaria (Cancellaria) ovata "Cancellaria cf. ovata" = Cancellaria (Cancellaria) ovata Sowerby 1832 snail
Neogastropoda - Cystiscidae	Persicula imbricata, Persicula cf. phrygia, Persicula sp., Granulina margaritida Persicula imbricata snail Persicula cf. phrygia snail Persicula sp. Schumacher 1817 snail Granulina margaritida snail
Neogastropoda - Marginellidae	Volvarina taeniolata, Granula cf. minor, Granula cf. polita, Granula sp. Volvarina taeniolata Mörch 1860 margin shell Granula cf. minor margin shell Granula cf. polita margin shell Granula sp. Jousseaume 1875 margin shell
Neogastropoda - Mangeliidae	Cytharella camarina, Mangelia cf. hancocki Cytharella camarina snail Mangelia cf. hancocki Hertlein and Strong 1939 snail
Neogastropoda - Conidae	Conus cf. lucidus, Conus fergusoni Conus cf. lucidus cone shell Conus fergusoni Sowerby 1875 cone shell
Sorbeoconcha - Eratoidae	"Erato (Hespererato) marginata" = Hespererato (Hespererato) marginata "Erato (Hespererato) marginata" = Hespererato (Hespererato) marginata Morch 1860 snail SUBSPECIES: Erato (Hespererato) marginata galapagensis
Sorbeoconcha - Triviidae	"Trivia pacifica" = Niveria (Niveria) pacifica, "Trivia radians" = Pusula radians "Trivia pacifica" = Niveria (Niveria) pacifica Gray 1832 snail "Trivia radians" = Pusula radians Lamarck 1810 snail
Sorbeoconcha - Cypraeidae	"Cypraea nigropunctata" = Pseudozonaria nigropunctata "Cypraea nigropunctata" = Pseudozonaria nigropunctata Gray 1828 cowry
Sorbeoconcha - Hipponicidae	Hipponix pilosus Hipponix pilosus hoof shell
Sorbeoconcha - Littorinidae	Tectarius galapagensis Tectarius galapagensis periwinkle
Vanikoroidea - Eulimidae	Balcis cf. berryi Balcis cf. berryi snail
Cerithioidea - Litiopidae	Alaba supralirata Alaba supralirata Carpenter 1857 snail
Cerithioidea - Modulidae	Modulus cerodes Modulus cerodes snail
Cerithioidea - Cerithiidae	Cerithium adustum Cerithium adustum cerith snail
Cerithioidea - Turritellidae	Vermicularia eburnea, "Turritella broderipiana" = Turritella (Broderiptella) broderipiana Vermicularia eburnea Reeve 1842 turret shell "Turritella broderipiana" = Turritella (Broderiptella) broderipiana d'Orbigny 1840 turret shell SUBSPECIES: Turritella broderipiana marmorata
Stylommatophora - Gastrocoptidae	Gastrocopta munita Gastrocopta munita slug
Heterostropha - Ellobiidae	Pedipes angulatus Pedipes angulatus snail
Heterostropha - Pyramidellidae	Iselica cf. kochi, Odostomia (Menestho) aequisculpta, Pyramidella (Triptychus) cf. olssoni, Pyramidella (Voluspa) sp., "Odostomia (Chrysallida) rinella" = Chrysallida, "Turbonilla (Chemnitzia) houseri" = Chemnitzia, "Odostomia (Miralda) galapagensis" = Miralda Iselica cf. kochi snail Odostomia (Menestho) aequisculpta snail Pyramidella (Triptychus) cf. olssoni snail Pyramidella (Voluspa) sp. Lamarck 1799 snail "Odostomia (Chrysallida) rinella" = Chrysallida snail "Turbonilla (Chemnitzia) houseri" = Chemnitzia snail "Odostomia (Miralda) galapagensis" = Miralda snail
Opisthobranchiata - Cylichnidae	Acteocina infrequens, Cylichna cf. defuncta Acteocina infrequens Adams 1852 barrel-bubble Cylichna cf. defuncta snail
Opisthobranchiata - Bullidae	Bulla punctulata Bulla punctulata Adams 1850 snail
Bivalvia
Lucinida - Lucinidae	Ctena galapagana Ctena galapagana Dall 1901 clam
Cardiida - Cardiidae	"Cardium elenense" = Laevicardium substriatum "Cardium elenense" = Laevicardium substriatum Conrad 1837 cockle
Cardiida - Solecurtidae	Tagelus sp. Tagelus sp. Gray 1847 clam
Cardiida - Semelidae	Cumingia cf. lamellosa Cumingia cf. lamellosa Sowerby 1833 clam
Cardiida - Tellinidae	"Florimetis cognata" = Psammotreta (Leporimetis) cognata "Florimetis cognata" = Psammotreta (Leporimetis) cognata Pilsbry and Vanatta 1902 tellin clam
Cardiida - Ungulinidae	Diplodonta subquadrata Diplodonta subquadrata Carpenter 1855 clam SUBSPECIES: Diplodonta subquadrata baltrana n. subsp.
Cardiida - Veneridae	Protothaca (Tropithaca) cf. seymourensis, "Protothaca (Tropithaca) grata" = Leukoma grata, "Nioche cf. zorritensis" = Leukoma metodon, Chione undatella, Megapitaria cf. aurantiaca Protothaca (Tropithaca) cf. seymourensis Dall and Oschner 1928 venus clam "Protothaca (Tropithaca) grata" = Leukoma grata Say 1831 venus clam "Nioche cf. zorritensis" = Leukoma metodon Pilsbry and Lowe 1932 venus clam Chione undatella Sowerby I 1835 venus clam Megapitaria cf. aurantiaca Sowerby 1831 venus clam
Mytilida - Mytilidae	Modiolus capax Modiolus capax Conrad 1837 mussel
Ostreida - Pinnidae	Atrina cf. tuberculosa Atrina cf. tuberculosa oyster
Ostreida - Ostreidae	Ostrea sp., "Ostrea megodon" = Undulostrea megodon Ostrea sp. Linnaeus 1758 oyster "Ostrea megodon" = Undulostrea megodon Hanley 1846 oyster
Pectinida - Pectinoidae	Pecten (Pecten) slevini, "Chlamys (Nodipecten) magnifica" = Nodipecten magnificus, Argopecten ventricosus Pecten (Pecten) slevini Dall and Oschner 1928 scallop "Chlamys (Nodipecten) magnifica" = Nodipecten magnificus Sowerby 1835 scallop Argopecten ventricosus Sowerby 1842 calico scallop
Pectinida - Anomiidae	Anomia peruviana Anomia peruviana d'Orbigny 1846 jingle
Arcida - Noetiidae	"Arca (Arcopsis) solida" = Arcopsis solida "Arca (Arcopsis) solida" = Arcopsis solida Sowerby I 1833 clam
Arcida - Glycymerididae	Glycymeris maculata Glycymeris maculata Broderip 1832 clam
Arcida - Arcidae	Barbatia reeveana Barbatia reeveana d'Orbigny 1846 clam