Ak-Kaya (Eocene of Ukraine)

Also known as Ak-Kaya 1

Where: Crimea, Ukraine (45.1° N, 34.6° E: paleocoordinates 43.3° N, 29.7° E)

• coordinate based on nearby landmark

When: Middle Eocene (47.8 - 37.7 Ma)

• Maikop?

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: E. A. Zvonok, I. G. Danilov, and E. V. Syromyatnikova. 2013. The First Reliable Record of Fossil Leatherback Sea Turtle (Dermochelyidae) in Northern Eurasia (Middle Eocene of Ukraine). Paleontological Journal 2013(1):70-73 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 140018: authorized by Mark Uhen, entered by Mark Uhen on 27.02.2013, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Reptilia
 Squamata - Palaeophiidae
Palaeophis nessovi3 Averianov 1997 snake
Palaeophis tamdy3 Averianov 1997 snake
 Testudines - Trionychidae
Trionychidae indet.2 Gray 1825 softshell turtle
represented by the following material: neural, ZIN PH 67/153; fragment of a costal, ZIN PH 68/153
 Testudines - Dermochelyidae
Cosmochelys sp.2 Andrews 1920 leatherback
 Testudines - Cheloniidae
Cheloniidae indet.4 Bonaparte 1832 sea turtle
 Testudines -
Trionychoidea indet.4 Fitzinger 1826 turtle
 Testudines - Pancheloniidae
Argillochelys sp.2 Lydekker 1889 turtle
seven prefrontals, ZIN PH 29/153 and six specimens without numbers (referred to here as n/n) in the collection of ZIN PH 153; four frontals, ZIN PH 30/153 and n/n; six parietals, ZIN PH 31- 32/153 and n/n; two jugals, ZIN PH 33/153 and n/n; squamosal, ZIN PH 34/153; three postorbitals, ZIN PH 35/153 and n/n; three premaxillaries, ZIN PH 36- 37/153 and n/n; five maxillaries, ZIN PH 38/153 and n/n; pterygoid, ZIN PH 39/153; quadrate, ZIN PH 40/153; 23 dentaries, symphyses, and fragments, ZIN PH 41-42/153 and n/n; surangular, ZIN PH 43/153; 38 neurals, ZIN PH 44-47 / 153 and n/n; suprapygal, ZIN PH 48/153; pygal, ZIN PH 49/153; eight costals, ZIN PH 50/153 and n/n; 96 peripherals, ZIN PH 51- 54/153 and n/n; seven fragments of hyo- or hypoplastrons, ZIN PH 55/153 and n/n; xiphiplastron, ZIN PH 56/153; cervical 6, ZIN PH 57/153; two scapulae, ZIN PH 58/153 and n/n; 14 humeri and their fragments, ZIN PH 59-60/153; proximal fragment of a femur, ZIN PH 61/153
Chondrichthyes
 Myliobatiformes - Gymnuridae
Gymnura sp.1 Van Hasselt 1823 stingray
 Myliobatiformes - Aetobatidae
Aetobatus sp.1 Blainville 1816 stingray
 Myliobatiformes - Myliobatidae
Myliobatis sp.1 Cuvier 1816 eagle ray
Leidybatis cf. jugosus1 Leidy 1876 eagle ray
Burnhamia sp.1 Cappetta 1976 eagle ray
Burnhamia sp. nov.
Archaeomanta melenhorsti1 Herman 1979 eagle ray
 Myliobatiformes - Dasyatidae
Dasyatidae indet.1 Jordan 1888 whiptail stingray
Dasyatidae gen. et sp. nov.
Dasyatis sp.1 Rafinesque 1810 whiptail stingray
Dasyatis sp. 1, 2, 3
 Myliobatiformes -
Coupatezia sp.1 Cappetta 1982 stingray
 Torpediniformes - Torpedinidae
Torpedo sp.1 Houttuyn 1764 torpedo
Torpedo sp. nov.
 Heterodontiformes - Heterodontidae
"Heterodontus vincenti" = Cestracion vincenti1
"Heterodontus vincenti" = Cestracion vincenti1 Leriche 1905 bullhead shark
 Squatiniformes - Squatinidae
Squatina cf. prima1 Winkler 1874 angel shark
 Echinorhiniformes - Echinorhinidae
 Squaliformes - Squalidae
Squalus cf. alsaticus1 dogfish shark
Squalus sp.1 Linnaeus 1758 dogfish shark
 Squaliformes - Dalatiidae
Isistius trituratus1 Winkler 1874 shark
 Squaliformes - Etmopteridae
Etmopterus sp.1 Rafinesque 1810 shark
 Squaliformes - Centrophoridae
Deania sp.1 Jordan and Snyder 1902 gulper shark
Centrophorus sp.1 Müller and Henle 1837 gulper shark
 Rajiformes - Rhinobatidae
Rhinobatos sp.1 Link 1790 guitarfish
 Rajiformes - Platyrhinidae
Platyrhinidae indet.1 guitarfish
Platyrhinidae gen. et sp. nov.
 Rajiformes - Rajidae
Raja sp.1 Linnaeus 1758 skate
Raja sp. 1, 2
 Rhinopristiformes - Rhynchobatidae
Rhynchobatus sp.1 Müller and Henle 1837 wedgefish
Rhinchobatus sp. nov.
Rhynchobatus vincenti1 Jaekel 1894 wedgefish
 Hexanchiformes - Hexanchidae
Heptranchias cf. howellii1 Reed 1946 sevengill shark
Notorhynchus sp.1 Ayres 1855 sevengill shark
Hexanchus sp.1 Rafinesque 1810 sixgill shark
 Lamniformes - Odontaspididae
Jaekelotodus trigonalis1 Jackel 1895 sand tiger shark
Hypotodus verticalis1 Agassiz 1843 sand tiger shark
Odontaspis sp.1 Agassiz 1838 sand tiger shark
Odontaspis winkleri1 Leriche 1905 sand tiger shark
 Lamniformes - Cetorhinidae
"Cetorhinus parvus" = Keasius parvus1
"Cetorhinus parvus" = Keasius parvus1 Leriche 1908 basking shark
 Lamniformes -
Isurolamna bajarunasi1 mackerel shark
 Lamniformes - Lamnidae
Isurus praecursor1, "Carcharocles auriculatus" = Carcharodon auriculatus1
Isurus praecursor1 Thurmond and Jones 1981 mackerel shark
"Carcharocles auriculatus" = Carcharodon auriculatus1 Blainville 1818 white shark
 Lamniformes - Mitsukurinidae
Striatolamia macrota1 Agassiz 1838 goblin shark
Anomotodon sp.1 Arambourg 1952 goblin shark
 Lamniformes - Otodontidae
Parotodus cf. pavlovi1 mackerel shark
Carcharocles sp.1 Jordan 1923 mackerel shark
 Lamniformes - Alopiidae
Alopias cf. alabamensis1 thresher shark
 Orectolobiformes - Hemiscylliidae
Hemiscyllium cf. bruxelliensis1 Herman 1977 carpet shark
 Orectolobiformes - Rhinocodontidae
Palaeorhincodon wardi1 carpet shark
 Orectolobiformes - Ginglymostomatidae
Ginglymostoma sp.1 Müller and Henle 1838 nurse shark
Protoginglymostoma ypresiensis1 Herman 1977 nurse shark
Nebrius sp.1 Rüppell 1837 nurse shark
Nebrius sp. nov.
 Orectolobiformes - Brachaeluridae
Eostegostoma angustum1 carpet shark
 Orectolobiformes - Parascylliidae
Pararhincodon sp.1 Herman 1975 collared carpetshark
 Carcharhiniformes - Carcharhinidae
Carcharhinidae indet.1 Jordan and Evermann 1896 requiem shark
Carcharhinidae gen.et sp. nov.
Physogaleus cf. tertius1 requiem shark
Rhizoprionodon sp.1 Whitley 1929 sharpnose shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo sp.1 Müller and Henle 1837 tiger shark
 Carcharhiniformes - Scyliorhinidae
Scyliorhinus sp.1 Blainville 1816 cat shark
Scyliorhinus sp. 1, 2, 3, 4
Abdounia minutissima1 Winkler 1874 cat shark
Casieria casieri1 cat shark
Megascyliorhinus sp.1 Cappetta and Ward 1977 cat shark
Megascyliorhinus sp. nov.
 Carcharhiniformes - Triakidae
Galeorhinus sp.1 de Blainville and Prévost 1816 school shark
Galeorhinus sp. 1, 2, 3
Galeorhinus ypresiensis1 Casier 1946 school shark
Triakis sp.1 Müller and Henle 1838 hound shark
Mustelus sp.1 hound shark