Thaytiniti (Oligocene of Oman)

Where: Dhofar, Oman (17.0° N, 53.0° E: paleocoordinates 10.2° N, 46.1° E)

When: Shizar Member (Ashawaq Formation), Early/Lower Oligocene (33.9 - 28.4 Ma)

Environment/lithology: marginal marine; lithified, argillaceous siliciclastic sediments

Size classes: macrofossils, mesofossils

Primary reference: H. Thomas, J. Roger, M. Pickford, E. Gheerbrant, Z. Al-Sulaimani and S. Al-Busaidi. 1999. Oligocene-Miocene terrestrial vertebrates in the southern Arabian peninsula (Sultanate of Oman) and their geodynamic and palaeogeographic settings. In P. J. Whybrow and A. Hill (eds.), Fossil Vertebrates of Arabia 430-442 [P. Coster/P. Coster/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175334: authorized by Pauline Coster, entered by Pauline Coster on 09.12.2015, edited by Patricia Holroyd and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rotaliina
 Nummulitacea - Nummulitidae
 Discorbacea - Discorbidae
Discorbidae indet.2 Ehrenberg 1838
"Discorbis/Rosalina"
Malacostraca
 Isopoda -
 Decapoda - Carpiliidae
Palaeocarpilius sp.2 Milne-Edwards 1862 crab
 Decapoda - Xanthidae
? Atergatis sp.2 De Haan 1835 stone crab
 Decapoda - Calappidae
Calappa sp.2 Weber 1795 box crab
Ostracoda
  -
Ostracoda indet.2 Latreille 1802 ostracod
Maxillopoda
 Sessilia - Balanidae
Balanus sp.2 Da Costa 1778 barnacle
2 species
Bivalvia
 Pectinida - Pectinoidae
Chlamys sp.2 Röding 1798 scallop
Gastropoda
 Truncatelloidea - Hydrobiidae
Hydrobiidae indet.2 Troschel 1857 snail
 Sorbeoconcha - Potamididae
Potamididae indet.2 Adams and Adams 1854 horn snail
Gymnolaemata
 Cheilostomata - Margarettidae
"Tubucellaria sp." = Margaretta2
"Tubucellaria sp." = Margaretta2
 Cheilostomata - Microporidae
 Cheilostomatida - Selenariidae
Stenolaemata
 Cyclostomata - Multisparsidae
Chondrichthyes
 Rajiformes - Rhynchobatidae
Rhynchobatus aff. pristinus2 Probst 1877 wedgefish
 Myliobatiformes - Dasyatidae
Dasyatis sp.2 Rafinesque 1810 whiptail stingray
2 species
Aetobatus aff. arcuatus2 Agassiz 1843 eagle ray
Rhinoptera sp.2 Cuvier 1829 cownose ray
 Carchariniformes - Carcharhinidae
Negaprion sp.2 Whitley 1940 lemon shark
Galeocerdo aduncus2 Agassiz 1843 tiger shark
Rhizoprionodon sp.2 Whitley 1929 sharpnose shark
"Rhizoprionodon/Sphyrna"
 Carchariniformes - Hemigaleidae
"Hemipristis cf. serra" = Hemipristis heteropleurus2 Agassiz 1844 ground shark
Hemipristis aff. curvatus2 Dames 1883 ground shark
 Orectolobiformes - Orectolobidae
Nebrius sp.2 Rüppell 1837 nurse shark
Actinopteri
 Albuliformes - Albulidae
Albulidae indet.2 Bleeker 1859 bonefish
 Cichliformes - Cichlidae
Cichlidae indet.2 Heckel 1840 cichlid
 Spariformes - Sparidae
Sparidae indet.2 Cuvier 1817
 Teleostei -
 Osteoglossiformes - Osteoglossidae
Osteoglossidae indet.2 Bonaparte 1832 arowana
Reptilia
 Testudines - Pantestudinidae
Testudinidae indet.2 Batsch 1788 turtle
 Testudines - Podocnemidae
? Stereogenys sp.2 Andrews 1901 sideneck turtle
 Crocodylia -
? Tomistominae indet.2 Kalin 1955 crocodilian
Mammalia
 Primates - Oligopithecidae
"Oligopithecinae indet." = Oligopithecidae
"Oligopithecinae indet." = Oligopithecidae Simons 1989 monkey
 Rodentia - Anomaluridae
Anomaluridae indet. Gill 1872 scaly-tailed squirrel
 Rodentia -
cf. Metaphiomys indet. Osborn 1908 rodent
Phiomys cf. andrewsi Osborn 1908 rodent
 Rodentia - Myophiomyidae
"Phiomys cf. lavocati" = Talahphiomys lavocati
"Phiomys cf. lavocati" = Talahphiomys lavocati Wood 1968 rodent
 Proboscidea -
Proboscidea indet.2 Illiger 1811 proboscidean
cf. Barytherioidea indet. Andrews 1906 proboscidean
 Embrithopoda - Arsinoitheriidae
Arsinotherium andrewsi1 placental
ONHM TN 1992-1 and 3 and TH 7
 Embrithopoda -
cf. Arsinoitherium indet. Beadnell 1902 placental
 Hyracoidea - Pliohyracidae
cf. Saghatherium bowni Rasmussen and Simons 1991 hyrax
cf. Thyrohyrax meyeri Rasmussen and Simons 1991 hyrax
Osteichthyes
 Ceratodontiformes - Lepidosirenidae
cf. Protopterus sp.2 Agassiz 1843 african lungfish
Asteroidea
  -
Asteroidea indet.2 de Blainville 1830 sea star
Echinoidea
 Clypeasteroida - Fibulariidae
Sismondia cf. javana2 Nisiyama 1968 sand dollar
 Clypeasteroida - Clypeasteridae
Clypeaster sp.2 Lamarck 1801 sand dollar
Crinoidea
  -
Crinoidea indet.2 Miller 1821 Sea lily