Hirogawa 3, Kii Peninsula, Japan (Jurassic to of Japan)

Also known as Reef 3243

Where: Japan (34.0° N, 135.2° E: paleocoordinates 41.2° N, 137.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ikenoue Formation, Tithonian to Tithonian (152.1 - 139.8 Ma)

• Probably Berriasian

• group of beds-level stratigraphic resolution

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

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: K. Kashiwagi, N. Yamagiwa, A. Yao, Y. Ezaki, Y. Sakaori and Y. Shoji. 2002. Late Jurassic cnidarian and poriferan fossils from the Torinosu-type limestones in the Kurosegawa Terrane, western Kii Peninsula, southwest Japan and their geological significance. Fossils (Kaseki) 72:5-16 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34553: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Reef builders only
Hydrozoa
 Spongiomorphida - Spongiomorphidae
Spongiomorpha asiatica Yabe and Sugiyama
Anthozoa
 Scleractinia - Stylinidae
? Stylina sp. Lamarck 1816 stony coral
Stylina aff. sugiyamai Eguchi 1951 stony coral
"Pseudocoenia slovenica" = Cryptocoenia slovenica Turnsek 1972 stony coral
 Scleractinia - Microsolenidae
Dimorpharaea tosaensis Eguchi 1951 stony coral
 Scleractinia - Rhipidogyridae
? Aplosmilia sp. d'Orbigny 1849 stony coral
 Scleractinia - Montlivaltiidae
Thecosmilia sp. Milne-Edwards and Haime 1848 stony coral
Demospongea
 Axinellida -
Milleporidium sp. Steinmann 1903 demosponge