IMG 2602, Alto Lucero [Tuxpan Fm] (Miocene of Mexico)

Where: Veracruz, Mexico (21.0° N, 97.4° W: paleocoordinates 21.4° N, 94.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Tuxpan Formation, Middle Miocene (16.0 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Tuxpan Fm, for which lithostratigraphic relations are not discussed. AGE: Middle Miocene. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified lithology not reported

• SPECIFIC LITHOLOGY: Not stated in text. LITHIFICATION: Poorly-lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression, original calcite

Collected by Perrilliat

• COLLECTOR: M. de C. Perrilliat. REPOSITORY: IGM, Instituto de Geología, Universidad Nacional Autónoma de Mexico.

Primary reference: M. C. Perrilliat. 1994. Bivalvos de la Formación Tuxpan (Mioceno Medio), Estado de Veracruz, México. Revista Mexicana de Ciencias Geológicas 11(2):232-242 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91583: authorized by Austin Hendy, entered by Austin Hendy on 02.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to several groups of bivalves. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
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Bivalvia
 Cardiida - Veneridae
Clementia (Clementia) dariena
Clementia (Clementia) dariena Conrad 1855 venus clam
SUBSPECIES: Clementia (Clementia) dariena dariena
 Hiatellida - Hiatellidae
Panopea parawhitfieldi
Panopea parawhitfieldi Gardner 1928 clam
 Pectinida - Plicatulidae
Plicatula densata
Plicatula densata Conrad 1843 scallop
 Pectinida - Pectinoidae
Lyropecten dumblei
Lyropecten dumblei Gardner 1945 scallop
 Ostreida - Gryphaeidae
Hyotissa haitensis, Pycnodonte (Crenostrea) verracruzana n. sp.
Hyotissa haitensis Sowerby 1850 oyster
Pycnodonte (Crenostrea) verracruzana n. sp. Perrilliat 1994 oyster
 Ostreida - Ostreidae
Cubitostrea rugifera
Cubitostrea rugifera Dall 1898 oyster