ammonites
Johnmartinia Pojeta and Gilbert-Tomlinson 1977 (clam)

Bivalvia - Protobranchia - Malletiidae

Full reference: J. Pojeta and J. Gilbert-Tomlinson. 1977. Australian Ordovician pelecypod molluscs. Bureau of Mineral Resources, Geology and Geophysics, Bulletin 174:1-64

Parent taxon: Malletiidae according to J. Pojeta and J. Gilbert-Tomlinson 1977

Sister taxa: Anthraconeilo, Arisaigia, Australoneilo, Cadomia, Carinineilo, Concavoleda, Ctenodontella, Dysodonta, Ekstadia, Katadesmia, Koenenia, Lapteviella, Lophoconcha, Malletia, Metapalaeoneilo, Myoplusia, Neilo, Nuculites, Palaeoneilo, Perissonata, Phaenodesmia, Prosoleptus, Quadratonucula, Sluha, Spathelopsis, Taimyrodon, Tindariopsis, Vnigriella, Yoldioides, Zeehania

Subtaxa: Johnmartinia cordata, Johnmartinia orbicularis

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Type: Johnmartinia cordata

Ecology: facultatively mobile infaunal deposit feeder