PBDB Collection

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

Show authors, comments, and common names

Chlorophyceae
Dasycladales - Diploporaceae	Diplopora sp. Diplopora sp. Schafhaeutl 1863
Dasycladales - Polyphysaceae	Clypeina sp. Clypeina sp. Michelin 1845
unclassified
-	Polarisella sp., Payandea cf. japanica Polarisella sp. Payandea cf. japanica
Foraminifera
Textulariina - Cuneolinidae	Palaeolituonella meridionalis Palaeolituonella meridionalis
Textulariina - Coscinophragmatidae	Alpinophragmium perforatum Alpinophragmium perforatum
Ammodiscoidea - Ammodiscidae	Tolypammina gregaria Tolypammina gregaria
Trochamminacea - Trochamminidae	"Trochammina" alpina, "Trochammina" jaunensis "Trochammina" alpina "Trochammina" jaunensis Broennimann and Page 1966
Hormosinacea - Hormosinidae	Reophax tauricus Reophax tauricus
-	Ophthalmidium exiguum Ophthalmidium exiguum
Nodosariata
Nodosariida - Nodosariidae	Nodosaria sp. Nodosaria sp. Lamarck 1812
Foraminifera
Lituolida - Lituolidae	Gaudryina cf. triadica, Ammobaculites rhaeticus Gaudryina cf. triadica Ammobaculites rhaeticus
Tubothalamea
Miliolida -	Hoyenella inconstans Hoyenella inconstans
Miliolida - Milioliporidae	Bispiranella sp., Galeanella laticarinata, Miliolipora cuvillieri, Cucurbita sp. Bispiranella sp. Galeanella laticarinata Miliolipora cuvillieri Bronniman and Zaninetti 1971 Cucurbita sp.
Miliolida - Ophthalmidiidae	Paraophthalmidium carpathicum Paraophthalmidium carpathicum
Miliolida - Cornuspiridae	Planiinvoluta carinata Planiinvoluta carinata
Miliolida - Hemigordiopsidae	Agathammina austroalpina Agathammina austroalpina Kristan-Tollmann and Tollmann 1964
Miliolida - Miliolidae	"Sigmoilina" schaeferae "Sigmoilina" schaeferae
Foraminifera
Involutinina - Involutinidae	Aulotortus ex gr. sinuosus Aulotortus ex gr. sinuosus
Cyanophyceae
-	Cayeuxia sp. Cayeuxia sp. Frollo 1938
- Garwoodiaceae	Garwoodia sp., Baccanella floriformis Garwoodia sp. Wood 1941 Baccanella floriformis Pantic 1971
Polychaeta
-	Microtubus communis Microtubus communis
Sedentaria
Sabellida - Serpulidae	Serpulidae indet. Serpulidae indet. Rafinesque 1835
Bryozoa
-	Bryozoa indet. Bryozoa indet. Ehrenberg 1831
Brachiopoda
-	Brachiopoda indet. Brachiopoda indet. Cuvier 1805
Bivalvia
Megalodontida - Megalodontidae	Triadomegalodon sp. Triadomegalodon sp. Vegh-Neubrandt 1974 clam
Megalodontida - Dicerocardiidae	Dicerocardium sp. Dicerocardium sp. Stoppani 1856 clam
Crinoidea
-	Crinoidea indet. Crinoidea indet. Miller 1821 Sea lily
Radiomura
-	Radiomura cautica Radiomura cautica Senowbari-Daryan and Schaefer 1979
Calcarea
Calcaronea - Stellispongiidae	Peronidella sp. Peronidella sp. Hinde 1893 calcareous sponge
Disjectoporidae
- Disjectoporidae	Disjectoporidae indet. Disjectoporidae indet. Tornquist 1901
Demospongiae
Agelasida - Guadalupiidae	Discosiphonella sp. Discosiphonella sp. Inai 1936 demosponge
Agelasida - Cryptocoeliidae	Cryptocoelia sp. Cryptocoelia sp. Steinmann 1882 demosponge
Agelasida - Solenolmiidae	Paradeningeria sp. Paradeningeria sp. Senowbari-Daryan and Schäfer 1979 demosponge
Chaetetida - Chaetetidae	Chaetetidae indet. Chaetetidae indet. Milne-Edwards and Haime 1850 chaetetid sponge
Verticillitida - Colospongiidae	Colospongia sp. Colospongia sp. Laube 1865 demosponge
Hadromerida - Celyphiidae	Uvanella sp. Uvanella sp. Ott 1967 demosponge

Sphinctozoa -	Sphinctozoa indet. Sphinctozoa indet. Steinmann 1882
Pharetronida -	Inozoa indet. Inozoa indet. Steinmann 1882
Anthozoa
Hexacorallia -	Scleractinia indet. Scleractinia indet. Bourne 1900 stony coral solitary corals and phaceloid and/or dendroid corals
Hydrozoa
Spongiomorphida - Spongiomorphidae	Spongiomorphidae indet. Spongiomorphidae indet. Frech 1890
- Nigriporellidae	Tubiphytes sp. Tubiphytes sp. Maslov 1956
Muranella
-	Muranella sphaerica Muranella sphaerica Borza 1975
Actinotubella gusici
-	Actinotubella gusici Actinotubella gusici Senowbari-Daryan 1984