Lastro, perto de Maroim (Cretaceous of Brazil)

Where: Sergipe, Brazil (10.8° S, 37.1° W: paleocoordinates 17.1° S, 9.9° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Maruim Member (Riacheulo Formation), Late/Upper Albian (105.3 - 99.6 Ma)

• STRATIGRAPHIC RELATIONS: Maruim Member of Riachuelo Formation, in later publications. AGE: Late Albian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position in local section.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

• SPECIFIC LITHOLOGY: Limestone, from later publications. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Collected by Commissao Geologica; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Brazilian Geological Survey. REPOSITORY: Departamento de Geologia e Paleontologia, Museu Nacional, Rio de Janeiro, Brazil; and USNM

Primary reference: C. J. Maury. 1936. Monographias do Servico Geologico E Mineralogico 11:1-283 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87857: authorized by Austin Hendy, entered by Austin Hendy on 26.03.2009, edited by Mark Bell and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonites, bivalves, and gastropods. Material described by White (1887). NOMENCLATURE: Authoritative publication, but with antiquated nomenclature, but with some species-resolution identification where possible.
Florideophyceae
 Hapalidiales - Corallinophycidae
"Lithothamnium regonis" = Lithothamnion
"Lithothamnium regonis" = Lithothamnion
Foraminifera
 Nummulitacea - Discocyclinidae
Bivalvia
 Ostreida - Gryphaeidae
"Exogyra haliotoidea" = Amphidonte (Ceratostreon) reticulata Reuss 1846 oyster
Exogyra ganhamoroba n. sp. Maury 1936 oyster
Exogyra mutatoria n. sp. White 1887 oyster
Exogyra sergipensis n. sp. Maury 1936 oyster
 Ostreida - Ostreidae
Ostrea invalida White 1887 oyster
Lopha sp. Röding 1798 oyster
Listed as "Lopha diluviana Linnaeus", which seems exceptionally unlikely!
Lopha euzebioi n. sp. Maury 1936 oyster
 Pectinida - Limidae
Lima (Plagiostoma) derbyi n. sp. White 1887 file clam
Lima (Acesta) praetexta n. sp. White 1887 file clam
Lima (Mantellum) sergipica Maury 1936 file clam
Lima (Limatula) turgidula White 1887 file clam
 Pectinida - Pectinoidae
Pecten collapsus n. sp. White 1887 scallop
 Pectinida - Neitheoidae
Neithea sergipensis, "Neithea quadricostata" = Neithea regularis
Neithea sergipensis White 1887 scallop
"Neithea quadricostata" = Neithea regularis Schlotheim 1813 scallop
SUBSPECIES: Neithea quadricostata lastroensis, Neithea quadricostata regoi
 Carditida - Astartidae
Astarte sergipensis Maury 1936 clam
 Cardiida - Anatinellidae
Anatina putatoria White 1887 clam
 Trigoniida - Trigoniidae
Trigonia coqueiroensis Maury 1936 clam
Gastropoda
 Sorbeoconcha - Tylostomatidae
Tylostoma sergipensis n. sp. Maury 1936 snail
 Neogastropoda - Fasciolariidae
Fasciolaria lastroensis n. sp. Maury 1936 tulip snail
Cephalopoda
 Ammonitida - Brancoceratidae
? Pervinquieria maroimensis n. sp. White 1887 ammonite
Pervinquieria lastroensis n. sp. Maury 1936 ammonite
? Pervinquieria tectoria White 1887 ammonite
 Ammonitida - Mojsisovicsiidae
"Oxytropidoceras buarquianum" = Mirapelia buarquianum, "Pervinquieria sergipensis n. sp." = Oxytropidoceras (Mirapelia) sergipense, Oxytropidoceras sp.
"Oxytropidoceras buarquianum" = Mirapelia buarquianum White 1887 ammonite
"Pervinquieria sergipensis n. sp." = Oxytropidoceras (Mirapelia) sergipense White 1887 ammonite
Oxytropidoceras sp. Stieler 1920 ammonite
 Ammonitida - Desmoceratidae
Puzosia brasiliana n. sp. Maury 1936 ammonite
Puzosia bistricta White 1887 ammonite
 Ammonitida - Nostoceratidae
Helicoceras hystriculum White 1887 ammonite
Echinoidea
 Cidaroida - Cidaridae
Temnocidaris (Stereocidaris) malheiroi de Loriol 1888 pencil urchin
"Cidaris branneri n. sp." = Phalacrocidaris branneri White 1877 pencil urchin
 Salenioida - Saleniidae
"Salenia sergipensis n. sp." = Leptosalenia sergipensis, "Salenia similis n. sp." = Leptosalenia sergipensis
"Salenia sergipensis n. sp." = Leptosalenia sergipensis White 1887 sea urchin
"Salenia similis n. sp." = Leptosalenia sergipensis White 1887 sea urchin
 Calycina - Phymosomatidae
Phymosoma binexilis n. sp. White 1887 sea urchin
 Euechinoidea - Orthopsidae
"Cottaldia australis n. sp." = Orthopsis miliaris
"Cottaldia australis n. sp." = Orthopsis miliaris d'Archiac 1835 sea urchin
 Cassiduloida - Cassidulidae
Nucleopygus cf. similis d'Orbigny 1856 sea urchin
 Irregularia - Nucleolitidae
"Echinobrissus freitasii n. sp." = Phyllobrissus freitasii
"Echinobrissus freitasii n. sp." = Phyllobrissus freitasii White 1887 sea urchin
 Irregularia - Clypeidae
"Conoclypeus nettoanus n. sp." = Colliclypeus nettoanus, "Catopygus aequalis n. sp." = Colliclypeus nettoanus
"Conoclypeus nettoanus n. sp." = Colliclypeus nettoanus White 1887 sea urchin
"Catopygus aequalis n. sp." = Colliclypeus nettoanus White 1887 sea urchin
 Irregularia - Archiaciidae
Acriaster sergipensis n. gen. n. sp.
Acriaster sergipensis n. gen. n. sp. Smith 1991 sea urchin
 Spatangoida - Hemiasteridae
Hemiaster proclivus Cotteau et al. 1878 heart urchin
Hemiaster cristatus Stoliczka in White, 1887
 Holasteroida -
cf. Pseudholaster tricarinatus Lambert 1924 sea urchin
 Holectypoida - Holectypidae
"Holectypus pennanus n. sp." = Coenholectypus neocomiensis
"Holectypus pennanus n. sp." = Coenholectypus neocomiensis Gras 1848 sea urchin