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
Show authors, comments, and common names
Protozoa
 Spumellaria - Capnuchosphaeridae
? Sarla sp.
? Sarla sp. Pessagno et al. 1979 radiolarian
 Spumellaria - Oertlispongidae
Oertlispongidae "indet. A", Oertlispongidae "indet. B", Baumgartneria bifurcata, Baumgartneria trifurcata, Oertlispongus inaequispinosus
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 - Pyramispongiidae
Katorella bifurcata, "Triassospongosphaera sp." = Rikivatella, Triassospongosphaera multispinosa
Katorella bifurcata Kozur and Mostler 1981 radiolarian
"Triassospongosphaera sp." = Rikivatella Kozur and Mostler 1981 radiolarian
Triassospongosphaera multispinosa Kozur and Mostler 1979 radiolarian
 Spumellaria - Pantanelliidae
? Capnodoce sp.
? Capnodoce sp. De Wever 1979 radiolarian
 Spumellaria - Stylosphaeridae
Staurolonche granulosa, Staurolonche trispinosum, Spongostylus koppi, Spongostylus "sp. A", Spongostylus "sp. B", Spongostylus tricostatus
Spongostylus koppi radiolarian
Spongostylus "sp. A" Haeckel 1881 radiolarian
Spongostylus "sp. B" Haeckel 1881 radiolarian
Spongostylus tricostatus Kozur et al. 1996 radiolarian
 Entactinaria - Palaeoscenidiidae
Parentactinia inermis, Parentactinia suparkai n. sp.
Parentactinia suparkai n. sp. radiolarian
 Entactinaria - Hindeosphaeridae
"Pseudostylosphaera spinulosa" = Hindeosphaera spinulosa, Pseudostylosphaera timorensis n. sp., Pseudostylosphaera postjaponica, Pseudostylosphaera coccostyla
"Pseudostylosphaera spinulosa" = Hindeosphaera spinulosa Nakaseko and Nishimura 1979 radiolarian
Pseudostylosphaera timorensis n. sp. radiolarian
Pseudostylosphaera coccostyla Ruest 1892 radiolarian
ssp. coccostyla
 Entactinaria - Heptacladidae
? Pseudosepsagon sp.
? Pseudosepsagon sp. Kozur and Mostler 1994 radiolarian
 Entactinaria - Multiarcusellidae
Tiborella cf. anisica
 Entactinaria - Eptingiidae
Eptingiidae indet., Spongostephanidium japonicum, Spongostephanidium sp., ? Cryptostephanidium megaspinosum n. sp., Cryptostephanidium sp., Eptingium manfredi, Triassistephanidium laticome
Eptingiidae indet. Dumitrica 1978 radiolarian
Spongostephanidium sp. Dumitrica 1978 radiolarian
Cryptostephanidium sp. Dumitrica 1978 radiolarian
Eptingium manfredi Dumitrica 1978 radiolarian
ssp. manfredi
 Nassellaria -
Nassellaria "indet. A", Nassellaria "indet. B"
Nassellaria "indet. A" Ehrenberg 1875 radiolarian
Nassellaria "indet. B" Ehrenberg 1875 radiolarian
 Nassellaria - Monicastericidae
Monicasterix sp.
Monicasterix sp. Kozur and Mostler 1994 radiolarian
 Nassellaria - Planispinocyrtiidae
? Planispinocyrtis "sp. A", Planispinocyrtis multiporata, ? Planispinocyrtis "sp. B", Planispinocyrtis kefaensis n. sp., Spinotriassocampe "sp. A", Spinotriassocampe "sp. B"
? Planispinocyrtis "sp. A" Kozur and Mostler 1981 radiolarian
? Planispinocyrtis "sp. B" Kozur and Mostler 1981 radiolarian
Planispinocyrtis kefaensis n. sp. radiolarian
Spinotriassocampe "sp. A" Kozur 1984 radiolarian
Spinotriassocampe "sp. B" Kozur 1984 radiolarian
 Nassellaria - Tetraspinocyrtiidae
Tetraspinocyrtis anisica, ? Tetraspinocyrtis sp.
? Tetraspinocyrtis sp. Kozur and Mostler 1994 radiolarian
 Nassellaria - Poulpidae
Poulpus sp., Triassobipedis balatonica, Neopylentonema sp., Hozmadia spinosa, Hozmadia "sp. A", Hozmadia "sp. B", ? Hozmadia sp.
Poulpus sp. De Wever 1979 radiolarian
Triassobipedis balatonica Kozur 1984 radiolarian
Neopylentonema sp. 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
 Nassellaria - Ruesticyrtiidae
Paratriassocampe sp., ? Paratriassocampe sp., Triassocampe "sp. A", Triassocampe "sp. B", ? Triassocampe sp., Annulotriassocampe cf. campanilis
Paratriassocampe sp. Kozur and Mostler 1994 radiolarian
? Paratriassocampe sp. 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
Annulotriassocampe cf. campanilis Kozur and Mostler 1994 radiolarian
 Nassellaria - Plagiacanthidae
Tetrarchiplagia compacta n. sp., Tetrarchiplagia sp.
Tetrarchiplagia compacta n. sp. radiolarian
Tetrarchiplagia sp. Dumitrica 1982 radiolarian
 Nassellaria - Archaeosemantidae
Archaeosemantis sp., ? Archaeosemantis sp.
Archaeosemantis sp. Dumitrica 1982 radiolarian
? Archaeosemantis sp. Dumitrica 1982 radiolarian