BV-Eastern Coahuila(MEX): Hauterivian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Terebratulida
- Terebratulidae
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Terebratula coahuilensis
Imlay 1940
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| (2 measurements) | ||||||||||
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Cephalopoda
- Ammonitida
- Polyptychitidae
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Dichotomites multicostatus
Imlay 1940
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Cephalopoda
- Ammonitida
- Neocomitidae
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Leopoldia crassicostata
Inlay 1938
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Leopoldia truncata
Imlay 1940
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| (1 measurement) | ||||||||||
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cf. Acanthodiscus radiatus
(Bruguiére 1792)
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| originally entered as "Acanthodiscus cf. radiatus" | ||||||||||
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Acanthodiscus magnificus
Imlay 1938
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Leopoldia victoriensis
Imlay 1938
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| recombined as Parrasites victoriensis | ||||||||||
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Gastropoda
- Heterostropha
- Nerineidae
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Nerinea sp.
Deshayes 1827
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Gastropoda
- Trochidae
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Trochus sp. n. sp.
Linnaeus 1758
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| originally entered as "Trochus n. sp." | ||||||||||
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Gastropoda
- Turbinidae
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? Turbo gigas
Imlay 1940
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| originally entered as "Turbo? gigas" | ||||||||||
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Gastropoda
- Tylostomatidae
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cf. Tylostoma laharpi
Pictet and Campiche 1862
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| originally entered as "Tylostoma cf. laharpi" | ||||||||||
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Gastropoda
- Naticidae
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cf. Natica hugardiana
d'Orbigny 1842
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| originally entered as "Natica cf. hugardiana" | ||||||||||
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cf. Natica neptuni
d'Orbigny 1850
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| originally entered as "Natica cf. neptuni" | ||||||||||
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Gastropoda
- Aporrhaidae
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Harpagodes mexicanus
Imlay 1940
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Harpagodes americanus
Imlay 1940
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Gastropoda
- Vermetidae
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Vermetus cornejoi
(Castillo and Aguilera 1895)
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| "cornejoi var. varians" - originally entered as "Vermetus cornejoi var. varians" | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Prohinnites ordonesi
Imlay 1940
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Pecten sp.
Müller 1776
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| originally entered as "Pecten spp." | ||||||||||
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Bivalvia
- Pectinida
- Neitheidae
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Neithea biangulata
Imlay 1940
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Bivalvia
- Pectinida
- Limidae
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Lima kanei
Imlay 1940
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula sp. n. sp.
Lamarck 1801
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| originally entered as "Plicatula n. sp." | ||||||||||
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Plicatula umbonata
Imlay 1940
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Bivalvia
- Pectinida
- Entoliidae
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Syncyclonema sp.
Meek 1864
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Bivalvia
- Ostreida
- Bakevelliidae
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Gervillia alatior
Imlay 1940
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Bivalvia
- Ostreida
- Pinnidae
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Pinna sp.
Linnaeus 1758
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Bivalvia
- Ostreida
- Gryphaeidae
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aff. Exogyra latissima
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| "latissima var. aquila" - originally entered as "Exogyra aff. latissima var. aquila" | ||||||||||
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Exogyra reedi
Imlay 1937
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Bivalvia
- Arcida
- Parallelodontidae
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Grammatodon sp.
Meek and Hayden 1860
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Bivalvia
- Arcida
- Cucullaeidae
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Cucullaea gabrielis
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| "gabrielis var. fraterna" - originally entered as "Cucullaea gabrielis var. fraterna" | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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cf. Cyprina bernensis
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| synonym of Arctica | ||||||||||
| originally entered as "Cyprina cf. bernensis" | ||||||||||
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Cyprina sp.
Lamarck 1818
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| synonym of Arctica | ||||||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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cf. Panopea gurgitis
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| originally entered as "Panope cf. gurgitis" | ||||||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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cf. Pholadomya sanctae-crucis
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| originally entered as "Pholadomya cf. sanctae-crucis" | ||||||||||
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cf. Pholadomya gigantea
(Sowerby 1836)
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| originally entered as "Pholadomya cf. gigantea" | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Sphaera americanus
Imlay 1940
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Lucina kellumi
Imlay 1940
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Bivalvia
- Carditida
- Astartidae
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Astarte sp.
Sowerby 1816
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| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Coahuila |
| Coordinates: | 27.0° North, 102.0° West (view map) | ||
| Paleocoordinates: | 24.9° North, 55.2° West | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 | *Epoch: | Neocomian |
| Key time interval: | Hauterivian | ||
| Age range of interval: | 132.60000 - 125.77000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Coahuila | Member: | Barril Viejo Shale |
| Local section: | Barril viejo | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | gray calcareous "shale" |
Taphonomy
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 2145 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Layou | Research group: | marine invertebrate |
| Created: | 1999-06-23 06:38:00 | Last modified: | 1999-06-23 09:38:00 |
| Access level: | the public | Released: | 2000-11-20 13:53:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 65. | R. W. Imlay. 1940. Neocomian Faunas of Northern Mexico. Geological Society America Bulletin 51(1):117-190 [M. Patzkowsky/K. Layou/A. Clement] |