Solitary coral

Heterocyathus japonicus (Verrill)

Semata, Ichihara city, Chiba pref., Japan

Late Pleistocene, Quaternary, Cenozoic (0.3 Ma)

Classification

Phylum Cnidaria, Class Anthozoa, Subclass Hexacorallia, Order Scleractinia, Family Caryophylliidae, Genus Heterocyathus

Length: 10 mm. Solitary coral fossils covering snails. The right snail was totaly covered with a solitary coral. Two rock barnacles were over the left coral. Recovered from the sand bed of Late Pleistocene Yabu Formation, Shimosa Group formed under the marine environment of the Paleo-Tokyo Bay.

Other localities

Branched coral (Kamogawa, Chiba pref.)
Solitary coral covering a snail (Semata, Chiba pref.)
Solitary coral (Semata, Chiba pref.)
Coral (Hikawa, Tokyo)