Muara Kobun, Gelingseh beds, Borneo (Miocene of Indonesia)

Where: Borneo, Indonesia (1.0° N, 118.0° E: paleocoordinates 1.1° N, 118.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• Little stratigraphic info is given, many samples come from the Gelingseh Beds, or their equivalents

• group of beds-level stratigraphic resolution

Environment/lithology: marine

Size class: macrofossils

Collection methods: Fossils collected by M. Schmidt as far back as 1902, and are housed at Rijksmuseum van Geologie en Mineralogie

Primary reference: C. Beets. 1983. Miocene molluscs from Muara Kobun and Pulu Senumpah, Sangkulirang Bay, northern Kutai (East Borneo). Scripta Geologica 67:1-21 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42283: authorized by John Alroy, entered by Erin Leckey on 27.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Flabellidae
Flabellum spp. Lesson 1831 stony coral
two species
 Scleractinia - Caryophylliidae
Heterocyathus sp. Milne-Edwards and Haime 1848 stony coral
"Acanthocyathus malayicus" = Acanthocyathus grayi Milne-Edwards and Haime 1848 stony coral
reported by Gerth, 1923 (reference couldn't be tracked down)
Echinoidea
 Cidaroida - Cidaridae
? Cidaris sp. Leske 1778 pencil urchin
Gastropoda
 Vanikoroidea - Eulimidae
Niso (Niso) sp. Risso 1826 snail
 Cerithioidea - Cerithiidae
Rhinoclavis (Rhinoclavis) junghuhni, "Cerithium (Gourmya) kobunense n. sp." = Gourmya
"Cerithium (Gourmya) kobunense n. sp." = Gourmya cerith snail
 Sorbeoconcha - Capulidae
Capulus sp. Monfort 1810 snail
 Neogastropoda - Olividae
Oliva sp. Bruguière 1789 olive snail
 Neogastropoda - Marginellidae
"Marginella (Cryptospira) aff. elegans" = Cryptospira
"Marginella (Cryptospira) aff. elegans" = Cryptospira margin shell
 Neogastropoda - Turridae
Gemmula (Gemmula) granosa turrid
G. G. granosa woodwardi
 Neogastropoda - Conidae
Conus fennemai cone shell
Conus ornatissimus cone shell
Conus cf. sinensis cone shell
Conus socialis cone shell
 Neogastropoda - Drilliidae
Clavus "sp. B" Monfort 1810 snail
 Neogastropoda - Terebridae
"Terebra (Myurella) cf. torquata" = Terebra
"Terebra (Myurella) cf. torquata" = Terebra auger snail
T. M. cf. torquata pliocenica
 Sorbeoconcha - Ficidae
Ficus (Ficus) sp. Röding 1798 fig shell
n. sp.
 Sorbeoconcha - Strombidae
 Sorbeoconcha - Rostellariidae
"Tibia (Sulcogladius) powisii" = Tibia (Sulcogladius) powisi
"Tibia (Sulcogladius) powisii" = Tibia (Sulcogladius) powisi Petit 1840 snail
 Sorbeoconcha - Naticidae
Bivalvia
 Carditida - Condylocardiidae
 Cardiida - Cardiidae
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium (Fissidentalium) magnificum tusk shell
D. F. magnificum junghuhni