Tremanotidae

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


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