Hideshima, Sakiyama-mura, Hiraiga Sandstone: Late Aptian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Helioporacea
- Helioporidae
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Heliopora japonica
Eguchi 1948
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Anthozoa
- Scleractinia
- Haplaraeidae
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Meandraraea sp.
Étallon 1859
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Thamnasteria hideshimaensis n. sp.
Eguchi 1951
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Anthozoa
- Scleractinia
- Agariciidae
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Stylomaeandra pseudominima n. sp.
Eguchi 1951
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Anthozoa
- Scleractinia
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Polyphylloseris iwateensis n. sp.
Eguchi 1951
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Anthozoa
- Scleractinia
- Faviidae
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Favia haipensis
Eguchi 1951
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Anthozoa
- Scleractinia
- Diplocteniopsidae
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Latiphyllia sp.
Fromentel 1861
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Anthozoa
- Scleractinia
- Thecosmiliidae
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Thecosmilia hideshimaensis n. sp.
Eguchi 1951
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Anthozoa
- Scleractinia
- Axosmiliidae
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Pleurosmilia hideshimaensis n. sp.
Eguchi 1951
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Pleurosmilia cf. renevieri
Koby 1895
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Anthozoa
- Scleractinia
- Heterocoeniidae
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Heterocoenia aff. hideshimaensis
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Anthozoa
- Scleractinia
- Latomeandridae
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Montastrea sp.
(Blainville 1830)
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= Ovalastrea sp.
d'Orbigny 1849
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Baron-Szabo 2009 | |||||||||
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Thamnasteria hiraigaensis
Eguchi 1951
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Anthozoa
- Scleractinia
- Cunnolitidae
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? Cyclolites japonica n. sp.
Eguchi 1951
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Anthozoa
- Scleractinia
- Comoseridae
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Kobya ragaensis
Eguchi 1951
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| subsp. nagaoi | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Iwate |
| Coordinates: | 39.7° North, 142.0° East (view map) | ||
| Paleocoordinates: | 52.9° North, 141.1° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| 10 m.y. bin: | Cretaceous 2-3 | ||
| Key time interval: | Late Aptian | ||
| Age range of interval: | 119.5 - 113 m.y. ago |
Stratigraphy
| Geological group: | Miyako | Formation: | Hiraiga Sandstone |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified calcareous sandstone |
| Lithology description: shallow open-marine setting with abundant fossils (corals, rudists, molluscs, calcareous algae, foraminifers); small coral-rudist buildups may have existed (reef 1216) | |
| Environment: | perireef or subreef |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 91327 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel, W. Kiessling | Research group: | marine invertebrate |
| Created: | 2009-09-15 04:48:19 | Last modified: | 2009-09-15 07:48:19 |
| Access level: | authorizer only | Released: | 2011-09-15 04:48:19 |
| Creative Commons license: | CC BY |
Reference information