Mandul Island, Borneo (Miocene of Indonesia)

Where: Borneo, Indonesia (3.8° N, 117.7° E: paleocoordinates 3.8° N, 118.1° E)

• coordinate estimated from map

• local area-level geographic resolution

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

• "Preangerian"

• formation-level stratigraphic resolution

Environment/lithology: marine; fine-grained, shelly/skeletal, gray, sandy marl and tuffaceous, shelly/skeletal, brown, sandy claystone

• ...limestone/ marl succession separated from a similar lower complex by some 460 m of sands and clays. At the base of the upper succession occur, brown tuffaceous to brecciose volcanic deposits and fossiliferous clays. As the clayey reddish brown to greyish matrix or filling of the fossils discussed below is not tuffaceous it seems harldy likely that they derive from these depostis. However, in a a report...van Holst Pellekaan stated that there are in the upper limestone/marl complex, apart from coral limestone beds, also finely sandy marls with Foraminifera and 'numerous Mollusca' and again, grey fossiliferous marly clays with 'similar fossils.

Size classes: macrofossils, microfossils

Collection methods: collected by W. H. van Holst Pellekaan in 1916. Material is housed in the Rijksmuseum van Geologie en Mineralogie. I feel very guilty for entering such an icky ref.

Primary reference: C. Beets. 1984. Mollusca from Preangerian deposits of Mandul Island, northeastern Kalimantan Timur (East Borneo). Scripta Geologica 74:49-80 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42339: authorized by John Alroy, entered by Erin Leckey on 28.07.2004, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Foraminifera
 Foraminifera -
Foraminifera indet.
Gastropoda
 Heterostropha - Ringiculidae
Ringicula (Ringicula) goujoni
 Heterostropha - Pyramidellidae
Miralda (Oscilla) aff. faceta
 Architaenioglossa - Ampullinidae
"Amaurellina (Pachycrommium) bandongensis" = Pachycrommium
"Amaurellina (Pachycrommium) bandongensis" = Pachycrommium snail
 Cerithioidea - Turritellidae
"Turritella cingulifera" = Turritella (Kurosioia) cingulifera, Vermicularia (Vermicularia) lumbricalis
"Turritella cingulifera" = Turritella (Kurosioia) cingulifera Sowerby 1825 turret shell
a few specimens
Vermicularia (Vermicularia) lumbricalis Linnaeus 1758 turret shell
one specimen and a few spires
 Sorbeoconcha - Naticidae
Polinices (Polinices) cumingianus, "Natica ruffa" = Natica vitellus, Natica helvacea, Natica rostalina
"Natica ruffa" = Natica vitellus Linnaeus 1758 moon snail
Natica helvacea Lamarck 1822 moon snail
Natica rostalina Jenkins 1864 moon snail
 Sorbeoconcha - Triphoridae
"Triphora (Inella) javana" = Inella
"Triphora (Inella) javana" = Inella snail
T. I. javana berauensis
 Sorbeoconcha - Vitrinellidae
Cyclostremiscus (Ponocyclus) cinfulifer, Lodderia mandulana n. sp.
Lodderia mandulana n. sp. snail
 Neogastropoda - Turridae
Gemmula (Gemmula) granosa, Lophiotoma indica
Gemmula (Gemmula) granosa turrid
G. G. granosa woodwardi
 Neogastropoda - Clavatulidae
Turricula (Surcula) nelliae
Turricula (Surcula) nelliae Smith 1877 snail
T. S. nelliae spurius
 Neogastropoda - Conidae
Conus sp., Conus dingleanus
Conus sp. Linnaeus 1758 cone shell
Conus dingleanus Beets 1984 cone shell
 Neogastropoda - Olividae
Oliva (Oliva) ispida, Oliva (Anazola) cf. acuminata
Oliva (Anazola) cf. acuminata Lamarck 1811 olive snail
 Neogastropoda - Buccinidae
Cantharus (Pollia) bucklandi
Cantharus (Pollia) bucklandi d'Archiac 1850 true whelk
 Neogastropoda - Fasciolariidae
Clavilithes (Clavilithes) fennemai, ? Buccinofusus sp.
? Buccinofusus sp. Conrad 1868 snail
 Neogastropoda - Melongenidae
Pugilina (Pugilina) ickei
Pugilina (Pugilina) ickei Martin 1906 snail
 Neogastropoda - Mitridae
Mitra (Tiara) cf. interlirata, "Mitra sowerbyi" = Chrysame sowerbyi
Mitra (Tiara) cf. interlirata mitre shell
M. T. cf. interlirata tegalensis
"Mitra sowerbyi" = Chrysame sowerbyi d'Orbigny 1852 mitre shell
M. sowerbyi sedanensis
 Neogastropoda - Muricidae
Murex (Murex) brevispina, Murex (Murex) trapa
Murex (Murex) trapa murex snail
 Sorbeoconcha - Strombidae
Tibia (Tibia) verbeeki
 Sorbeoconcha - Cypraeidae
"Cypraea" sp.
"Cypraea" sp. Linnaeus 1758 cowry
 Sorbeoconcha - Eratoidae
Proterato (Eratoena) tenuirugosa n. sp.
Proterato (Eratoena) tenuirugosa n. sp. Beets 1984 snail
 Sorbeoconcha - Ranellidae
"Apollon (Apollon) bitubercularis" = Gyrineum, "Apollon (Biplex) perliberalis n. sp." = Gyrineum
"Apollon (Apollon) bitubercularis" = Gyrineum triton shell
"Apollon (Biplex) perliberalis n. sp." = Gyrineum triton shell
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp., Dentalium "sp. A"
Dentalium sp. Linnaeus 1758 tusk shell
a few fragments
Dentalium "sp. A" Linnaeus 1758 tusk shell
a few specimens
Bivalvia
 Pectinida - Pectinoidae
Chlamys sp.
Chlamys sp. Röding 1798 scallop
 Arcida - Arcidae
"Arcopsis (Arcopsis) sculptilis" = Striarca sculptilis
"Arcopsis (Arcopsis) sculptilis" = Striarca sculptilis Reeve 1844 clam
 Pandorida - Clavagellidae
? Penicillus sp.
? Penicillus sp. Bruguière 1789 clam
 Solenida - Pharidae
Cultellus (Cultellus) dilatatus
 Cardiida - Psammobiidae
Gari preangerensis
 Cardiida - Solecurtidae
Solecurtus exaratus
 Cardiida - Tellinidae
"Tellina" sp.
"Tellina" sp. Linnaeus 1758 tellin clam
 Cardiida - Cardiidae
? Acanthocardia cf. greenoughi, ? Acanthocardia carolimartini n. sp., Tridacna (Persikima) derasa, Laevicardium (? Fulvia) njalindungense
Tridacna (Persikima) derasa Röding 1798 cockle
a few fragments
 Cardiida - Veneridae
Placamen isabellina, Paphia (Protapes) sinuosa
Paphia (Protapes) sinuosa venus clam
P. P. sinuosa mandulana (n. subsp.)
 Pholadida - Corbulidae
Corbula solidula
 Nuculida - Nuculidae
Acila (Truncacila) granulata
Acila (Truncacila) granulata divaricate nutclam
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834