Inaba Cave (Triassic to of Japan)

Also known as Reef 178

Where: Kochi, Japan (33.4° N, 133.1° E: paleocoordinates 45.3° N, 131.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Norian to Norian (228.0 - 201.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks and lithified grainstone

• patch-reef complex formed within an atoll-type carbonate system accumulated over a mid-oceanic seamount surrounded by deep-water radiolarian cherts
• boundstone reef facies (sponge framestone-bafflestone, microbial-sponge bindstone-framestone, coral bafflestone, biodetrital sponge-coral rudstone); interstitial-reef facies (peloidal bioclastic wackestone-grainstone, microproblematica packstone-grainstone); surrounding-reef facies (algal crinoidal grainstone, algal pelletoidal grainstone, megalodont rudstone-floatstone)

Size classes: macrofossils, mesofossils, microfossils

Collection methods: peel or thin section,

Primary reference: J. Chablais, T. Onoue, and R. Martini. 2010. Upper Triassic reef-limestone blocks of southwestern Japan: New data from a Panthalassan seamount. Palaeogeography, Palaeoclimatology, Palaeoecology 293:206-222 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 98600: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.10.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Haplophragmiina
 Lituolacea - Haplophragmoiidae
 Involutinina - Involutinidae
Textulariina
 Ammodiscoidea - Ammodiscidae
 Textulariina - Verneuilinidae
Textulariina
 Hormosinacea - Hormosinidae
 Textulariina - Coscinophragmatidae
Textulariina
 Trochamminacea - Trochamminidae
 Textulariina - Cuneolinidae
Lagenina
 Nodosariacea - Nodosariidae
Nodosaria sp. Lamarck 1812
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
  -
Bivalvia
 Megalodontida - Dicerocardiidae
Dicerocardium sp. Stoppani 1856 clam
 Megalodontida - Megalodontidae
Triadomegalodon sp. Vegh-Neubrandt 1974 clam
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Radiomura
  -
Radiomura cautica Senowbari-Daryan and Schaefer 1979
Baccanella floriformis
  -
 Sphinctozoa -
Sphinctozoa indet. Steinmann 1882
Demospongea
 Hadromerida - Celyphiidae
Uvanella sp. Ott 1967 demosponge
 Agelasida - Solenolmiidae
Paradeningeria sp. Senowbari-Daryan and Schäfer 1979 demosponge
 Agelasida - Sebargasiidae
Discosiphonella sp. Inai 1936 demosponge
 Agelasida - Cryptocoeliidae
Cryptocoelia sp. Steinmann 1882 demosponge
 Agelasida - Colospongiidae
Colospongia sp. Laube 1865 demosponge
 Chaetetida - Chaetetidae
Chaetetidae indet. Milne-Edwards and Haime 1850 demosponge
Disjectoporidae
  - Disjectoporidae
Disjectoporidae indet. Tornquist 1901
Calcarea
 Calcaronea - Stellispongiidae
Peronidella sp. Hinde 1893 calcareous sponge
Hydrozoa
 Spongiomorphida - Spongiomorphidae
Anthozoa
 Zoantharia -
Scleractinia indet. Bourne 1900 stony coral
solitary corals and phaceloid and/or dendroid corals
Bryopsidophyceae
 Bryopsidales - Pseudoudoteaceae
Garwoodia sp. Wood 1941
 Caulerpales - Halimedaceae
Cayeuxia sp. Frollo 1938
Dasycladophyceae
 Dasycladales - Polyphysaceae
Clypeina sp. Michelin 1845
 Dasycladales - Diploporaceae
Foraminferea
 Miliolida - Ophthalmidiidae
 Miliolida - Hemigordiopsidae
 Miliolida - Cornuspiridae
 Miliolida - Milioliporidae
 Miliolida - Miliolidae
 Miliolida -
Nigriporellidae
  - Nigriporellidae