ammonites
Polyphylloseris mammillata Eguchi 1951 (stony coral)

Anthozoa - Scleractinia - Microsolenidae

Full reference: M. Eguchi. 1951. Mesozoic hexacorals from Japan. The Science Reports of the Tohoku University, Geology 24:1-96

Belongs to Polyphylloseris according to Eguchi 1951

Sister taxa: Polyphylloseris conophora, Polyphylloseris convexa, Polyphylloseris distefanoi, Polyphylloseris icaunensis, Polyphylloseris iwateensis, Polyphylloseris microkothos, Polyphylloseris polymorpha, Polyphylloseris punctata

Type specimen: Its type locality is Matsushima, Omoto-mura, which is in an Aptian perireef or subreef sandstone in the Hiraiga Sandstone Formation of Japan

Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder