PBDB Collection

Urumaco Formation (Miocene of Venezuela)

Where: Venezuela (11.2° N, 70.3° W: paleocoordinates 11.0° N, 68.8° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Urumaco Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• STRATIGRAPHIC RELATIONS: From Urumaco Formation. AGE: Correlations indicate Middle Miocene-Early Pliocene in text; suggested to be Late Miocene according to Gamero (1997); placed by enterer in late Miocene on the basis of faunal composition . STRATIGRAPHIC POSITION: General list for formation.

• formation-level stratigraphic resolution

Environment/lithology: coastal; unlithified siliciclastic sediments

• ENVIRONMENT: Shallow marine siliciclastic.

• SPECIFIC LITHOLOGY: Not stated, but obviously siliciclastic. LITHIFICATION: Unlithified, based on figured specimens.

Size class: macrofossils

Preservation: original aragonite

Collection methods: surface (float),

• COLLECTOR: Multiple collectors. REPOSITORY: UNEFM, Venezuela.

Primary reference: O. A. Aguilera. 2004. Tesoros Paleontológicos de Venezuela 1-148 [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92751: authorized by Austin Hendy, entered by Austin Hendy on 27.11.2009, edited by Mark Uhen, Catalina Pimiento, Evangelos Vlachos, Miranta Kouvari and Edward Medeiros

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to characteristic taxa figured or stated in text. NOMENCLATURE: Not and authoritative publication with generally modern nomenclature and species-resolution identifications.

Show authors, comments, and common names

unclassified
-	Mylobatis sp.¹, Rhyzoprionodon sp.¹, Negapriom eurybathrodon¹, Sciaedeops troschelli¹, Plagioscion urumacoensis¹ Mylobatis sp.¹ Rhyzoprionodon sp.¹ Negapriom eurybathrodon¹ Sciaedeops troschelli¹ Plagioscion urumacoensis¹
Chondrichthyes
Lamniformes - Otodontidae	"Carcharodon megalodon" = Otodus megalodon¹ "Carcharodon megalodon" = Otodus megalodon¹ Agassiz 1835 megalodon
Carcharhiniformes - Sphyrnidae	Sphyrna sp.¹ Sphyrna sp.¹ Rafinesque 1810 hammerhead shark
Carcharhiniformes - Hemigaleidae	Hemipristis serra¹ Hemipristis serra¹ Agassiz 1835 ground shark
Carcharhiniformes - Carcharhinidae	Carcharhinus sp.¹ Carcharhinus sp.¹ de Blainville 1816 requiem shark
Carcharhiniformes - Galeocerdidae	Galeocerdo cuvier¹ Galeocerdo cuvier¹ Peron and LeSueur 1822 tiger shark
Rhinopristiformes - Pristidae	Pristis pectinata¹ Pristis pectinata¹ sawfish
Myliobatiformes - Rhinopteridae	Rhinoptera sp.¹ Rhinoptera sp.¹ Cuvier 1829 cownose ray
Myliobatiformes - Dasyatidae	Dasyatis sp.¹ Dasyatis sp.¹ Rafinesque 1810 whiptail stingray
Mammalia
Cetacea - Iniidae	Ischyrorhynchus sp.³, Saurocetes sp.⁵ Ischyrorhynchus sp.³ Ameghino 1891 toothed whale Saurocetes sp.⁵ Burmeister 1871 toothed whale
Rodentia - Neoepiblemidae	cf. Phoberomys sp.⁴ cf. Phoberomys sp.⁴ Kraglievich 1926 caviomorph CIAAP 441-442. In: El Hatillo (c) - Collected by Jean Bocquentin-Villanueva in July 1980
Megatherioidea - Megatheriidae	Urumaquia robusta² Urumaquia robusta² Carlini et al. 2006 edentate AMU-CURS 169, 176, 179. Urumaco, Estado Falc6n, Venezuela; Urumaco Formation, Late Miocene (MINISTERIO DE ENERG1A Y MINAS 1997;
Notoungulata - Toxodontidae	Toxodontidae indet. Toxodontidae indet. Scott 1873 notoungulate
Sirenia - Trichechidae	Ribodon sp.⁵ Ribodon sp.⁵ Ameghino 1883 manatee
Reptilia
Testudines - Trionychidae	Trionychidae indet.⁸ Trionychidae indet.⁸ Gray 1825 softshell turtle Musco de Cicncias Naturales, Caracas, no. 238; hypoplastron. Pleurodira indet. according to 64451 (Chelidae or Araripemyidae). But Trionychidae indet. according to 63467
Testudines - Podocnemididae	Bairdemys venezuelensis¹ Bairdemys venezuelensis¹ Wood and Diaz 1971 sideneck turtle
Crocodylia - Gavialidae	Gryposuchus croizati⁷ Gryposuchus croizati⁷ Riff and Aguilera 2008 crocodilian UNEFM-CIAAP-1440 (isolated mandible)
Actinopteri
Siluriformes - Ariidae	Bagre marinus¹, Arius couma¹, Arius dowii¹, Arius herzbergii¹, Arius kessleri¹, Arius quadriscutis¹, Arius rugispinis¹ Bagre marinus¹ Mitchill 1815 Ariid catfish Arius couma¹ Ariid catfish Arius dowii¹ Ariid catfish Arius herzbergii¹ Ariid catfish Arius kessleri¹ Ariid catfish Arius quadriscutis¹ Ariid catfish Arius rugispinis¹ Ariid catfish
Acanthomorphata - Haemulidae	Haemulon sp.¹ Haemulon sp.¹ Cuvier 1829
Acanthomorphata - Sciaenidae	Cynoscion sp.¹, Micropogonias coatesi¹, Equetus sp.¹, Larimus steurbautti¹, Larimus sp.¹, Larimus henrii¹ Cynoscion sp.¹ Gill 1861 Micropogonias coatesi¹ Equetus sp.¹ Rafinesque 1815 Larimus steurbautti¹ Larimus sp.¹ Cuvier and Valenciennes 1830 Larimus henrii¹ Nolf and Aguilera 1998
Perciformes -	Nebris sp.¹ Nebris sp.¹ Cuvier and Valenciennes 1830 perch-like fish
Perciformes - Serranidae	Epinephelus itajara¹ Epinephelus itajara¹ Lichtenstein 1822 perch-like fish
Bivalvia
Cardiida - Chamidae	"Echinochama cf. cornuta" = Arcinella cornuta "Echinochama cf. cornuta" = Arcinella cornuta Conrad 1866 jewel box
Cardiida - Mactridae	Mulinia portoricensis Mulinia portoricensis clam
Cardiida - Tellinidae	Tellina radiata Tellina radiata Linnaeus 1758 tellin clam
Cardiida - Cardiidae	Trachycardium magnum, "Trigoniocardia antillarum" = Trigoniocardia (Apiocardia) antillarum Trachycardium magnum cockle "Trigoniocardia antillarum" = Trigoniocardia (Apiocardia) antillarum d'Orbigny 1853 cockle
Pholadida - Corbulidae	"Corbula caribaea" = Caryocorbula caribaea, "Corbula contracta" = Caryocorbula contracta, Corbula operculata "Corbula caribaea" = Caryocorbula caribaea d'Orbigny 1845 clam "Corbula contracta" = Caryocorbula contracta Say 1822 clam Corbula operculata clam
Poromyida - Verticordiidae	Verticordia cf. acuticostata Verticordia cf. acuticostata clam
Poromyida - Cuspidariidae	Cardiomya alternata Cardiomya alternata clam
Solenida - Solenidae	Solen sp. Solen sp. Linnaeus 1758 clam
Lucinida - Lucinidae	"Codakia cf. orbiculata" = Ctena orbiculata "Codakia cf. orbiculata" = Ctena orbiculata Montagu 1808 clam
Arcida - Glycymerididae	"Glycymeris pectinata" = Tucetona pectinata "Glycymeris pectinata" = Tucetona pectinata Gmelin 1791 clam
Arcida - Arcidae	"Anadara cf. lienosa" = Anadara (Rasia) lienosa, "Anadara brasiliana" = Anadara (Cunearca) brasiliana, Anadara zorritoensis, "Anadara inutilis" = Anadara (Cunearca) inutilis, "Anadara chemnitzi" = Arca chemnitzi "Anadara cf. lienosa" = Anadara (Rasia) lienosa Say 1832 ark "Anadara brasiliana" = Anadara (Cunearca) brasiliana Lamarck 1819 ark Anadara zorritoensis Spieker 1922 ark "Anadara inutilis" = Anadara (Cunearca) inutilis Jung 1965 ark "Anadara chemnitzi" = Arca chemnitzi Philippi 1851 ark
Pectinida - Plicatulidae	Plicatula gibbosa Plicatula gibbosa Lamarck 1801 scallop MISSPELT: Plicatula gibosa
Pectinida - Pectinoidae	"Lyropecten antillarum" = Antillipecten antillarum, Argopecten nucleus, Argopecten irradians "Lyropecten antillarum" = Antillipecten antillarum Récluz 1853 scallop Argopecten nucleus calico scallop Argopecten irradians Lamarck 1819 calico scallop
Ostreida - Ostreidae	Ostrea sp., Crassostrea sp. Ostrea sp. Linnaeus 1758 oyster Crassostrea sp. Sacco 1897 oyster
Gastropoda
Heterostropha - Architectonicidae	Heliacus bisulcatus Heliacus bisulcatus d'Orbigny 1842 snail
Sorbeoconcha - Cypraeidae	"Siphocypraea donmoorei" = Muracypraea donmoorei⁶ "Siphocypraea donmoorei" = Muracypraea donmoorei⁶ Petuch 1979 cowry
Neogastropoda - Horaiclavidae	Buchema sp. Buchema sp. Corea 1934 snail
Neogastropoda - Turridae	Polystira vives Polystira vives turrid
Neogastropoda - Conidae	Conus cf. kevani, Conus cf. bayeri Conus cf. kevani cone shell Conus cf. bayeri cone shell
Neogastropoda - Buccinidae	Antillophos sp. Antillophos sp. Woodring 1928 true whelk
Neogastropoda - Nassariidae	Nassarius antillarum Nassarius antillarum d'Orbigny 1847 snail
Neogastropoda - Cystiscidae	Persicula venezolana Persicula venezolana snail Spelling?; SUBSPECIES: Persicula venezolana lavellana
Neogastropoda - Muricidae	Eupleura cf. caudata Eupleura cf. caudata Say 1822 murex snail
Neogastropoda - Marginellidae	Prunum cf. marginatum, Prunum cf. prunum Prunum cf. marginatum margin shell Prunum cf. prunum Gmelin 1791 margin shell
Neogastropoda - Cancellariidae	Cancellaria (Cancellaria) sp. Cancellaria (Cancellaria) sp. Lamarck 1799 snail
Neogastropoda - Olividae	Oliva reticularis, Oliva cylindrica Oliva reticularis Lamarck 1811 olive snail Oliva cylindrica Sowerby 1850 olive snail MISSPELT: Oliva cilindrica
Sorbeoconcha - Naticidae	Stigmaulax cf. sulcata, Polinices lacteus Stigmaulax cf. sulcata Born 1778 moon snail Polinices lacteus Guilding 1834 moon snail
Cerithioidea - Turritellidae	Turritella abrupta Turritella abrupta Spieker 1922 turret shell
Vanikoroidea - Eulimidae	Niso sp. Niso sp. Risso 1826 snail
Gymnolaemata
Cheilostomata -	Petaloconchus varians Petaloconchus varians d'Orbigny 1839

¹Aguilera and de Aguilera 2004; ²Carlini et al. 2008; ³Cozzuol 2006; ⁴Horovitz et al. 2006; ⁵Latrubesse et al. 2010; ⁶Petuch 1988; ⁷Riff and Aguilera 2008; ⁸Wood and Patterson 1973