KFM-19-E, Kefamenanu, West Timor (Triassic of Indonesia)

Where: Indonesia (9.5° S, 124.4° E: paleocoordinates 18.5° N, 120.9° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Aitutu Formation, Fassanian (242.0 - 235.0 Ma)

• bed 3-10 cm thick; Spongosilicarmiger italicus; Oertlispongus inaequispinosus subzone

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, gray, white packstone

• calcilutite deposited in the basin on the Australian continental shelf, remote from land areas ; Aitutu Formation have been thought to be deposited in the southern periphery of Tethyan Ocean dominated by warm water current system originating from the low latitude Tethyan realm
• calcilutite is white to dark gray; sample KFM-19-E is assigned to the bioclast packstone of Dunham's (1962) classification

Size class: microfossils

Preservation: original silica

Collection methods: chemical, acetic, hydrochloric, sieve,

Primary reference: K. Sashida, Y. Kamata, S. Adachi and Munasri. 1999. Middle Triassic Radiolarians from West Timor, Indonesia. Journal of Paleontology 73(5):765-786 [W. Kiessling/T. Schossleitner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66921: authorized by Wolfgang Kiessling, entered by Thomas Schossleitner on 24.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• abundant: more than 10 specimens; common: 3-9 specimens; rare: 1-2 specimens
Radiolaria
 Polycystina -
Nassellaria "indet. A" Ehrenberg 1875 radiolarian
Nassellaria "indet. B" Ehrenberg 1875 radiolarian
 Nassellaria - Planispinocyrtiidae
Spinotriassocampe "sp. A" Kozur 1984 radiolarian
Spinotriassocampe "sp. B" Kozur 1984 radiolarian
? Planispinocyrtis "sp. A" Kozur and Mostler 1981 radiolarian
? Planispinocyrtis "sp. B" Kozur and Mostler 1981 radiolarian
Planispinocyrtis kefaensis n. sp. radiolarian
 Nassellaria - Monicastericidae
Monicasterix sp. Kozur and Mostler 1994 radiolarian
 Nassellaria - Plagiacanthidae
Tetrarchiplagia compacta n. sp. radiolarian
Tetrarchiplagia sp. Dumitrica 1982 radiolarian
 Nassellaria - Tetraspinocyrtiidae
? Tetraspinocyrtis sp. Kozur and Mostler 1994 radiolarian
 Nassellaria - Archaeosemantidae
Archaeosemantis sp. Dumitrica 1982 radiolarian
? Archaeosemantis sp. Dumitrica 1982 radiolarian
 Nassellaria - Poulpidae
Triassobipedis balatonica Kozur 1984 radiolarian
Hozmadia spinosa radiolarian
Hozmadia "sp. A" Dumitrica et al. 1980 radiolarian
Hozmadia "sp. B" Dumitrica et al. 1980 radiolarian
? Hozmadia sp. Dumitrica et al. 1980 radiolarian
Poulpus sp. De Wever 1979 radiolarian
Neopylentonema sp. Kozur 1984 radiolarian
 Nassellaria - Ruesticyrtiidae
Annulotriassocampe cf. campanilis Kozur and Mostler 1994 radiolarian
Triassocampe "sp. A" Dumitrica et al. 1980 radiolarian
Triassocampe "sp. B" Dumitrica et al. 1980 radiolarian
? Triassocampe sp. Dumitrica et al. 1980 radiolarian
Paratriassocampe sp. Kozur and Mostler 1994 radiolarian
? Paratriassocampe sp. Kozur and Mostler 1994 radiolarian
 Entactinaria - Eptingiidae
Eptingiidae indet. Dumitrica 1978 radiolarian
Eptingium manfredi Dumitrica 1978 radiolarian
ssp. manfredi
Spongostephanidium sp. Dumitrica 1978 radiolarian
Cryptostephanidium sp. Dumitrica 1978 radiolarian
 Entactinaria - Palaeoscenidiidae
Parentactinia suparkai n. sp. radiolarian
 Entactinaria - Heptacladidae
? Pseudosepsagon sp. Kozur and Mostler 1994 radiolarian
 Entactinaria - Multiarcusellidae
 Entactinaria - Hindeosphaeridae
"Pseudostylosphaera spinulosa" = Hindeosphaera spinulosa Nakaseko and Nishimura 1979 radiolarian
Pseudostylosphaera timorensis n. sp. radiolarian
Pseudostylosphaera coccostyla Ruest 1892 radiolarian
ssp. coccostyla
 Spumellaria - Pyramispongiidae
"Triassospongosphaera sp." = Rikivatella Kozur and Mostler 1981 radiolarian
Triassospongosphaera multispinosa Kozur and Mostler 1979 radiolarian
Katorella bifurcata Kozur and Mostler 1981 radiolarian
 Spumellaria - Oertlispongidae
Oertlispongidae "indet. A" Kozur and Mostler 1980 radiolarian
Oertlispongidae "indet. B" Kozur and Mostler 1980 radiolarian
Baumgartneria bifurcata Dumitrica 1982 radiolarian
Baumgartneria trifurcata Dumitrica 1982 radiolarian
Oertlispongus inaequispinosus Dumitrica et al. 1980 radiolarian
 Spumellaria - Stylosphaeridae
Spongostylus koppi radiolarian
Spongostylus "sp. A" Haeckel 1881 radiolarian
Spongostylus "sp. B" Haeckel 1881 radiolarian
Spongostylus tricostatus Kozur et al. 1996 radiolarian
 Spumellaria - Pantanelliidae
? Capnodoce sp. De Wever 1979 radiolarian
 Spumellaria - Capnuchosphaeridae
? Sarla sp. Pessagno et al. 1979 radiolarian