Right bank of Rio Gramame (Roudairia zone) (Cretaceous of Brazil)

Where: Paraíba, Brazil (7.3° S, 34.8° W: paleocoordinates 11.4° S, 19.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Maastrichtian (72.1 - 66.0 Ma)

• STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. AGE: Maastrichtian, on the basis of ammonite biostratigraphy; Roudairia zone. STRATIGRAPHIC POSITION: From unknown position within local stratigraphic section.

•JA: originally entered by Hendy as Campanian but comment clearly says Maastrichtian, so I've changed the entry

• bed-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

• ENVIRONMENT: Not stated in text, but apparently shallow marine carbonate.
• SPECIFIC LITHOLOGY: Gray limestone. LITHIFICATION: Lithified, on the basis of figured specimens and facies description.

Size class: macrofossils

Preservation: mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: Geological Survey of Brazil.

Primary reference: C. J. Maury. 1930. O Cretaceo da Parahyba do Norte. Serviço Geologico E Mineralogico do Brasil Monographia 8:1-305 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88074: authorized by Austin Hendy, entered by Austin Hendy on 31.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoids, with other taxa also listed. NOMENCLATURE: Authoritative publication, with antiquated nomenclature, but with species-resolution identifications.
Show authors, comments, and common names
Bivalvia
 Arcida - Cucullaeidae
Eusebia stantoni n. sp., Cucullaea erda n. sp., Cucullaea isolda n. sp., Cucullaea freia n. sp.
Eusebia stantoni n. sp. Maury 1930 clam
Cucullaea erda n. sp. Maury 1930 clam
Cucullaea isolda n. sp. Maury 1930 clam
Cucullaea freia n. sp. Maury 1930 clam
 Arcida - Glycymerididae
Trigonarca jessupae n. sp.
Trigonarca jessupae n. sp. Maury 1930 clam
 Pectinida - Plicatulidae
Plicatula parahybensis n. sp.
Plicatula parahybensis n. sp. Maury 1930 scallop
 Pholadida - Corbulidae
Corbula lyra n. sp.
Corbula lyra n. sp. Maury 1930 clam
 Cardiida - Cardiidae
Cardium riogramamense n. sp.
Cardium riogramamense n. sp. Maury 1930 cockle
 Cardiida - Arcticidae
Roudairia brasiliensis n. sp.
Roudairia brasiliensis n. sp. Maury 1930 clam
 Pholadomyida - Pholadomyidae
Pholadomya parahybensis n. sp.
Pholadomya parahybensis n. sp. Maury 1930 clam
 Carditida - Carditidae
Venericardia maris
Venericardia maris clam
SUBSPECIES: Venericardia maris australis
Cephalopoda
 Ammonitida - Diplomoceratidae
Glyptoxoceras sp.
Glyptoxoceras sp. Spath 1925 ammonite
Gastropoda
 Sorbeoconcha - Naticidae
Natica parahybensis n. sp.
Natica parahybensis n. sp. Maury 1930 moon snail
 Sorbeoconcha - Campanilidae
Campanile brasiliense n. sp.
 Cerithioidea - Turritellidae
Turritella arethusa n. sp., Turritella antigona n. sp., Turritella brunnhilda n. sp., Turritella totiumsanctorum n. sp.
Turritella arethusa n. sp. Maury 1930 turret shell
Turritella antigona n. sp. Maury 1930 turret shell
Turritella brunnhilda n. sp. Maury 1930 turret shell
Turritella totiumsanctorum n. sp. Maury 1930 turret shell
Echinoidea
 Arbacioida - Arbaciidae
Coelopleurus castroi n. sp.
Coelopleurus castroi n. sp. Maury 1930 sea urchin
 Echinoneoida - Echinoneidae
Pyrina parahybensis n. sp.
Pyrina parahybensis n. sp. Maury 1930 sea urchin