Tanohata Area, Hiraiga Formation, Honshu (Cretaceous of Japan)

Where: Iwate, Japan (40.0° N, 141.8° E: paleocoordinates 52.8° N, 141.5° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Hiraiga Formation (Miyako Group), Aptian (125.0 - 113.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; calcareous sandstone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40553: authorized by Martin Aberhan, entered by Sabine Nürnberg on 25.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Nuculanidae
Mesosaccella insignis
Mesosaccella insignis pointed nut clam
 Mytilida - Mytilidae
Amygdalum ishidoense, Modiolus falcatus
 Pectinida - Pectinoidae
Spondylus (Spondylus) decoratus, "Chlamys robinaldina" = Mimachlamys robinaldina, ? Eburneopecten miyakoensis
"Chlamys robinaldina" = Mimachlamys robinaldina Orbigny 1847 scallop
 Pectinida - Neitheoidae
Neithea (Neithella) notabilis, Neithea (Neithea) nipponica, Neithea (Neithea) ficalhoi
Neithea (Neithella) notabilis Münster 1833 scallop
Neithea (Neithea) ficalhoi Choffat 1888 scallop
 Pectinida - Limidae
Ctenoides subrapa, Limatula nagaoi, Acesta goliathiformis, Plagiostoma sanrikuense
Limatula nagaoi file clam
 Pectinida - Anomiidae
Placunopsis aptiana
 Ostreida - Bakevelliidae
Bakevellia (? Neobakevellia) pseudorostrata, Gervillaria haradae, Gervillaria miyakoensis, Gervillia (Gervillia) forbesiana
 Ostreida - Pinnidae
Atrina heiensis
 Ostreida - Ostreidae
Rastellum (Arctostrea) carinatum, Lopha (Actinostreon) nagaoi
 Ostreida - Gryphaeidae
"Amphidonte (Ceratostreon) yabei" = Ceratostreon, Amphidonte (Amphidonte) subhaliotoidea, ? Pycnodonte sp.
"Amphidonte (Ceratostreon) yabei" = Ceratostreon oyster
? Pycnodonte sp. Fischer von Waldheim 1835 oyster
 Arcida - Parallelodontidae
Grammatodon (Nanonavis) yokoyamai, Parallelodon (Cosmetodon) nipponicus
 Arcida - Cucullaeidae
Cucullaea (Idonearca) transversa, Cucullaea (Idonearca) acuticarinata
 Arcida - Glycymerididae
"Glycymeris (? Glycymerita) haipensis" = Glycymerita, Glycymeris (Hanaia) densilineata
"Glycymeris (? Glycymerita) haipensis" = Glycymerita clam
 Cardiida - Cardiidae
Globocardium sphaeroideum, Protocardia (Protocardia) hiraigensis
Globocardium sphaeroideum Forbes 1845 cockle
 Cardiida - Veneridae
Nagaoella corrugata
 Hippuritida - Polyconitidae
Praecaprotina yaegashii
 Pholadida - Teredinidae
? Teredo matsushimaensis
 Hiatellida - Hiatellidae
Panopea (Myopsis) plicata
Panopea (Myopsis) plicata Sowerby 1829 clam
 Pandorida - Laternulidae
Cercomya (Cercomya) gurgitis
 Pholadomyida - Pholadomyidae
Pholadomya (Bucardiomya) subpedelnalis, Pholadomya (Bucardiomya) miyamotoi, Pholadomya (Pholadomya) tuberculata, Goniomya (Goniomya) subarchiaci
 Thraciida - Periplomatidae
Periploma (Offadesma) altissimum
 Lucinida - Lucinidae
? Lucinoma kotoi
 Carditida - Crassatellidae
Anthonya subcantiana, Ptychomya densicostata
Ptychomya densicostata Nagao 1934 clam
 Carditida - Astartidae
Eriphyla (Eriphyla) miyakoensis, Astarte (Nicaniella) semicostata, Astarte (Trautscholdia) minor, Astarte (? Leckhamptonia) subomalioides
 Trigoniida - Trigoniidae
Nipponitrigonia kikuchiana
Nipponitrigonia kikuchiana Yokoyama 1891 clam
 Trigoniida - Megatrigonioidae
Pterotrigonia (Pterotrigonia) hokkaidoana, Pterotrigonia (Pterotrigonia) yokoyamai, Pterotrigonia (Pterotrigonia) datemasamunei