Atalaia (Miocene to of Brazil)

Also known as Salinopolis; Salinópolis

Where: Para, Brazil (0.6° S, 47.3° W: paleocoordinates 0.5° S, 44.5° W)

• coordinate stated in text

When: Pirabas Formation, Langhian to Langhian (16.0 - 11.6 Ma)

• Aguilera et al. (2020) considered the exposed fossiliferous levels of the Atalaia beach as late Langhian to Serravallian (14.2–12.7 Ma).

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithology not reported

• This sedimentary unit was deposited during the early to middle Miocene in coastal marine environments with a tidal regime, marginal lagoons with mangrove forests, and tropical storms, before the origin of the Amazon delta (Aguilera et al. 2020).

Size class: macrofossils

Primary reference: P. M. Toledo. 1989. Sobre novos achados de sirenios (Sirenotherium pirabense Paula Couto, 1976) na Formacao Pirabas (Para, Brasil). Boletim do Museu Paraense Emilio Goeldi Serie Ciencias da Terra 1(1):5-10 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 58454: authorized by Mark Uhen, entered by Mark Uhen on 07.02.2006, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Foraminiferida -
"Foraminiferida indet." = Foraminifera1
"Foraminiferida indet." = Foraminifera1 Eichwald 1830 foram
Hexactinellida
 Hexactinosa - Aphrocallistidae
Aphrocallistes estevoui1 Termier and Termier 1981 glass sponge
Aphrocallistes lobata1 Pomel 1872 glass sponge
Anthozoa
 Scleractinia - Pocilloporidae
Stylophora cf. silicensis1 Weisbord 1973 stony coral
 Scleractinia - Fungiidae
Discotrochus sp.1 Milne-Edwards 1848 stony coral
 Scleractinia - Caryophylliidae
Caryophyllia (Acanthocyathus) fernandesi1 Tavora et al. 2002 stony coral
 Scleractinia - Flabellidae
Flabellum lyricum1 stony coral
Flabellum wailesi1 stony coral
 Scleractinia - Dendrophylliidae
"Balanophyllia (Eupsammia) sp." = Balanophyllia1
"Balanophyllia (Eupsammia) sp." = Balanophyllia1 Wood 1844 stony coral
Cephalopoda
 Nautilida - Aturiidae
Gastropoda
 Trochoidea - Trochidae
"Trochus cirrus" = Calliostoma cirrus1 White 1887 top snail
Calliostoma pirabicum1 Maury 1924 top snail
 Lepetellida - Fissurellidae
"Fissuridea derbyi" = Diodora derbyi1
"Fissuridea derbyi" = Diodora derbyi1 Maury 1924 snail
 Cerithioidea - Cerithiidae
Cerithium williamsi1 cerith snail
Cerithium pachecoi1 cerith snail
Cerithium pirabicum1 cerith snail
 Cerithioidea - Turritellidae
Mesalia rathbuni1 Maury 1934 turret shell
Turritella meunieri1 turret shell
Turritella sulcigyrata1 turret shell
Turritella tuberculata1 turret shell
Turritella ? matarucana1 Hodson 1926 turret shell
Turritella (Torcula) altilira1 Conrad 1857 turret shell
Turritella gatunensis1 Conrad 1857 turret shell
 Architaenioglossa - Ampullinidae
 Sorbeoconcha - Thersiteidae
Orthaulax inornatus1 Gabb 1872 snail
Orthaulax brasiliensis1 Maury 1925 snail
Orthaulax pugnax1 Heilprin 1887 snail
 Neogastropoda - Mitridae
Mitra senecta1 mitre shell
 Neogastropoda - Olividae
Olivella paraensis1 olive snail
Oliva paraensis1 olive snail
Oliva pirabica1 olive snail
 Neogastropoda - Buccinidae
 Neogastropoda - Nassariidae
 Neogastropoda - Fasciolariidae
 Neogastropoda - Drilliidae
"Drillia consors" = Hindsiclava consors1
"Drillia consors" = Hindsiclava consors1 Sowerby 1850 snail
 Neogastropoda - Turridae
"Surcula (Pleurofusia) camposi" = Pleurofusia1
"Surcula (Pleurofusia) camposi" = Pleurofusia1 turrid
 Neogastropoda - Turbinellidae
Turbinella tuberculata1, "Turbinella brasilianus" = Turbinella brasilianus1, "Xancus brasilianus" = Turbinella brasilianus1
"Turbinella brasilianus" = Turbinella brasilianus1 Maury 1934 snail
"Xancus brasilianus" = Turbinella brasilianus1 Maury 1934 snail
 Neogastropoda - Muricidae
"Murex brevifrons" = Chicoreus (Chicoreus) brevifrons1, "Murex (Chicoreus) brevifrons" = Chicoreus (Chicoreus) brevifrons1, "Murex pennae" = Murex (Haustellum) pennae1
"Murex brevifrons" = Chicoreus (Chicoreus) brevifrons1 Lamarck 1822 murex snail
"Murex (Chicoreus) brevifrons" = Chicoreus (Chicoreus) brevifrons1 Lamarck 1822 murex snail
"Murex pennae" = Murex (Haustellum) pennae1 Maury 1934 murex snail
 Neogastropoda - Volutidae
"Lyria calligona" = Voluta calligona1
"Lyria calligona" = Voluta calligona1 Maury 1934 volute
 Neogastropoda - Cancellariidae
 Sorbeoconcha - Ficidae
Ficus paraensis1 White 1887 fig shell
 Sorbeoconcha - Cassidae
Sconsia felix1 Maury 1934 snail
 Sorbeoconcha - Cypraeidae
Cypraea pennae1, "Cypraea macrovoluta" = Siphocypraea macrovoluta1
Cypraea pennae1 White 1887 cowry
"Cypraea macrovoluta" = Siphocypraea macrovoluta1 Ferreira and Cunha 1957 cowry
 Sorbeoconcha - Xenophoridae
Xenophora conchyliophora1 Born 1780 carrier shell
 Sorbeoconcha - Naticidae
Amauropsis nativitatis1, Lunatia lunula1, "Natica canrena" = Naticarius canrena1, "Natica (Stigmaulax) sulcata" = Stigmaulax sulcata1
Lunatia lunula1 moon snail
"Natica canrena" = Naticarius canrena1 Linnaeus 1758 moon snail
"Natica (Stigmaulax) sulcata" = Stigmaulax sulcata1 Born 1778 moon snail
 Sorbeoconcha - Rissoidae
 Heterostropha - Architectonicidae
Architectonica sp.1 Röding 1798 sundial
Architectonica nobilis1 Röding 1798 sundial
 Opisthobranchia -
Bivalvia
 Arcida - Arcidae
"Anadara brasiliana" = Anadara (Cunearca) brasiliana1 Lamarck 1819 ark
 Arcida - Glycymerididae
"Glycymeris acuticostata" = Tucetona acuticostata1 Sowerby 1849 clam
 Pectinida - Plicatulidae
 Pectinida - Anomiidae
Anomia ephippium1 Linnaeus 1758 jingle
 Pectinida - Limidae
 Pectinida - Pectinoidae
"Chlamys (Argopecten) tetristriata" = Argopecten1 calico scallop
Chlamys thalerus1 Maury 1924 scallop
Spondylus bostrychites1 Guppy 1867 scallop
 Ostreida - Ostreidae
 Mytilida - Mytilidae
Mytilus canoasensis1 Olsson 1931 mussel
 Lucinida - Lucinidae
"Linga (Linga) glenni" = Here glenni1
"Linga (Linga) glenni" = Here glenni1 Dall 1903 clam
 Pholadida - Corbulidae
 Cardiida - Chamidae
 Cardiida - Veneridae
Pitar circinatus1 venus clam
"Clementia dariena" = Clementia (Clementia) dariena1 Conrad 1855 venus clam
Chama (Lirophora) paphia1 Linnaeus 1767 venus clam
Chama (Lirophora) agraria1 White 1887 venus clam
"Ventricolaria thalestris" = Globivenus1 venus clam
"Dosinia concentrica" = Dosinia (Dosinia) concentrica1 Born 1778 venus clam
"Dosinia brasiliensis" = Dosinia (Dosinia) delicatissima1 Brown and Pilsbry 1913 venus clam
Chione paraensis1 White 1887 venus clam
 Cardiida - Mactridae
 Cardiida - Cardiidae
Cardium philotarium1 Maury 1924 cockle
"Cardium pessoae" = Trachycardium (Trachycardium) pessoae1 Maury 1924 cockle
"Laevicardium laevigatum" = Laevicardium serratum1 Linnaeus 1758 cockle
 Cardiida - Tellinidae
Tellina celetes1 tellin clam
 Carditida - Carditidae
Gymnolaemata
 Cheilostomata - Steginoporellidae
 Cheilostomata - Lunulitidae
 Cheilostomata - Membraniporidae
Malacostraca
 Decapoda - Calappidae
Acanthocarpus obscurus1 Rathbun 1918 box crab
 Decapoda - Portunidae
Scylla costata1 Rathbun 1919 swimming crab
Arenaeus cribarians1 swimming crab
Portunus haitensis1 Rathbun 1923 swimming crab
Callinectes pirabensis1 swimming crab
Callinectes reticulatus1 Rathbun 1918 swimming crab
Deuteropoda
  -
Ostracoda indet.1 Latreille 1802 ostracod
Echinoidea
 Cidaroida - Cidaridae
Phyllacanthus priscus1 pencil urchin
 Cassiduloida - Cassidulidae
Cassidulus sp.1 Lamarck 1801 sea urchin
 Clypeasteroida - Clypeasteridae
Clypeaster lamegoi1 sand dollar
Clypeaster paulinoi1 sand dollar
Clypeaster concavus1 Cotteau 1875 sand dollar
 Clypeasteroida - Placatenellidae
"Abertella complanata" = Placatenella complanata1
"Abertella complanata" = Placatenella complanata1 Brito 1981 sand dollar
Chondrichthyes
 Carcharhiniformes - Carcharhinidae
Carcharhinus sp.1 de Blainville 1816 requiem shark
Carcharhinus priscus1 Agassiz 1843 requiem shark
Carcharhinus egertoni1 Agassiz 1843 requiem shark
Scoliodon taxandriae1 Leriche 1926 requiem shark
 Carcharhiniformes - Hemigaleidae
Hemipristis serra1 Agassiz 1835 ground shark
 Carcharhiniformes - Sphyrnidae
Sphyrna magna1 Cope 1868 hammerhead shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo paulinoi1 tiger shark
 Orectolobiformes - Ginglymostomatidae
Nebrius obliquus1, "Ginglymostoma serra" = Nebrius serra1
Nebrius obliquus1 Leidy 1877 nurse shark
"Ginglymostoma serra" = Nebrius serra1 Leidy 1877 nurse shark
 Lamniformes - Lamnidae
Isurus novus1 mackerel shark
Carcharodon subauriculatus2 Agassiz 1839 white shark
based on Costa et al. 2009 who corrected this identification from C. megalodon to C. subauriculatus
Mammalia
 Sirenia - Dugongidae
Dugongidae indet.5 Gray 1821 dugong
Dioplotherium allisoni1 Kilmer 1965 dugong
Dioplotherium cf. allisoni3 Kilmer 1965 dugong
Rytiodus sp.1 Lartet 1866 dugong
"cf. Metaxytherium sp." = Metaxytherium5 de Christol 1840 dugong
"Metaxitherium sp." = Metaxytherium1 de Christol 1840 dugong
Reptilia
 Testudines -
Pleurodira indet.1 Cope 1865 sideneck turtle
 Loricata -
"Crocodilia indet." = Crocodylia1
"Crocodilia indet." = Crocodylia1 Owen 1842 crocodilian
 Crocodylia -
Gavialoidea indet.4 Brochu 1997 crocodilian
MPEG 609-V (incomplete cervical vertebra), MPEG 116-V and MPEG 1129-V (two isolated teeth) and MPEG 608-V (articular of left mandible)
 Life -