Aruwakkalu Hill (Miocene of Sri Lanka)

Where: Puttalam, Sri Lanka (8.3° N, 79.8° E: paleocoordinates 2.5° N, 77.1° E)

• coordinate stated in text

When: Jaffna Limestone Formation, Langhian (16.0 - 13.8 Ma)

• "Malu deposit"

Environment/lithology: marine; lithified, calcareous sandstone

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: P.E.P. Deraniyagala. 1937. Some Miocene and upper Siwalik [lower Pleistocene] vertebrates from Ceylon. Spolia zeylanica 20:191-198 [W. Clyde/J. Finarelli/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14149: authorized by Will Clyde, entered by John Finarelli on 16.05.2002, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Placunidae
Placuna sp. Lightfoot 1786 scallop
 Pectinida - Pectinoidae
Chlamys sp. Röding 1798 scallop
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Cardiida - Tellinidae
Tellina sp. Linnaeus 1758 tellin clam
Chondrichthyes
 Myliobatiformes - Myliobatidae
 Myliobatiformes - Aetobatidae
 Myliobatiformes - Dasyatidae
Trygon sinhaleyus n. sp.1 Deraniyagala 1969 whiptail stingray
 Odontaspidida - Isuridae
Galeolamna brachyura1 mackerel shark
Galeolamna minor1 mackerel shark
"Galeolamna gangetica" = Galeolamna gangeticus1 Mueller and Henle 1841 mackerel shark
 Hybodontiformes - Hybodontidae
Miosynechodus mora n. gen. n. sp.1
Miosynechodus mora n. gen. n. sp.1 Deraniyagala 1969 elasmobranch
 Carcharhiniformes - Hemigaleidae
Hemipristis serra1 Agassiz 1835 ground shark
 Carcharhiniformes - Galeocerdidae
"Galeocerdo cuvieri" = Galeocerdo cuvier1
"Galeocerdo cuvieri" = Galeocerdo cuvier1 Peron and LeSueur 1822 tiger shark
 Lamniformes - Lamnidae
Isurus glaucus1 mackerel shark
Mammalia
 Placentalia -
Cetacea indet.2 Brisson 1762 whale
 Cetacea -
Cetacea indet.2 Brisson 1762 whale
 Sirenia - Dugongidae
Miodugong brevicranius n. gen. n. sp.1
Miodugong brevicranius n. gen. n. sp.1 Deraniyagala 1969 dugong
Reptilia
 Testudinata -
Testudinata indet. Oppel 1811 turtle
"thecophoran turtle"
 Testudines - Testudinidae
Miotestudo ibba1 Deraniyagala 1967 turtle
 Testudines - Geoemydidae
Geoemyda striata n. sp.1 Deraniyagala 1969 turtle
 Testudines - Cheloniidae
Miocaretta lankae1 Deraniyagala 1967 sea turtle
Actinopteri
 Labriformes - Scaridae
Scarus sp.1 Gronovius 1763
 Labriformes - Labridae
Labrodon angustidentatus n. sp.1 Deraniyagala 1969
 Tetraodontiformes - Diodontidae
 Spariformes - Sparidae
"Chrysophrys miolankae n. sp." = Otolithus (Chrysophris)1
"Chrysophrys miolankae n. sp." = Otolithus (Chrysophris)1