Tremanotidae
Introduction '''Tremanotidae''' is an extinct family of Paleozoic fossil molluscs with isostrophically coiled shells. They occupy an uncertain position taxonomically: it is not known whether they were (gastropods (snails) or monoplacophorans.
Taxonomy The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 categorizes Tremanotidae in the superfamilia Bellerophontoidea within the Paleozoic molluscs of uncertain systematic position with isostrophically coiled shells (Gastropoda or Monoplacophora). This family has no subfamilies.
Genera ''Boiotremus berauennsis''. ''Goniotremus insectus''.Genera in the family Tremanotidae include:* ''Tremanotus'' Hall, 1867 - type genus of the family Tremanotidae. Synonyms: ''Gyrotrema'', ''Tremagyrus''. ** ''Tremanotus angustata'' - synonym: ''Tremanotus alpheus''. ** ''Tremanotus aymestriensis''** ''Tremanotus chicagoensis''** ''Tremanotus civis''** ''Tremanotus compressus''** ''Tremanotus crassolare''** ''Tremanotus cyclocostatus''** ''Tremanotus deficiens''** ''Tremanotus dilatatus'' - synonym: ''Tremanotus girvanensis''. ** ''Tremanotus inopinata''** ''Tremanotus minutus''** ''Tremanotus nautiloidea''** ''Tremanotus nobile''** ''Tremanotus parvus''** ''Tremanotus pervoluta''** ''Tremanotus planorbis''** ''Tremanotus plicosum''** ''Tremanotus polygyratus''** ''Tremanotus portlocki''** ''Tremanotus pritchardi''** ''Tremanotus serpentinus''** ''Tremanotus trigonostoma''** ''Tremanotus tuboides''* ''Boiotremus'' Horný, 1962** ''Boiotremus beraunensis''** ''Boiotremus caelatus''** ''Boiotremus distans''** ''Boiotremus fortis''** ''Boiotremus kosovensis''** ''Boiotremus longitudinalis'' (Lindström, 1884) - synonyms: ''Tremanotus longitudinalis'', ''Tremanotus incipiens''* ''Goniotremus'' Horný, 1992** ''Goniotremus insectus'' - synonym: ''Goniotremus polygonus''. ** ''Goniotremus involutus''
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