Calyptraea (Bicatillus) Swainson 1840 (Chinese hat snail)

Gastropoda - Neotaenioglossa - Calyptraeidae

Alternative spellings: Bicatillus, Crucibulum (Bicatillus)

Parent taxon: Calyptraea according to O. Mandic and F. F. Steininger 2003

See also Harzhauser 2002, Lozouet et al. 2001, Oostingh 1935 and Sepkoski 2002

Sister taxa: Calyptraea (Calyptraea), Calyptraea (Calyptropsis), Calyptraea (Galerus), Calyptraea (Siphopatella), Calyptraea (Trochatella), Calyptraea (Turbocalyptraea), Calyptraea alta, Calyptraea centralis, Calyptraea chinensis, Calyptraea contorta, Calyptraea coreyi, Calyptraea corrugata, Calyptraea corrugata, Calyptraea costellata, Calyptraea crassa, Calyptraea diegoana, Calyptraea dunni, Calyptraea elevata, Calyptraea ewekoroensis, Calyptraea fastigiata, Calyptraea filosa, Calyptraea inornata, Calyptraea kilburni, Calyptraea laevigata, Calyptraea lamellosa, Calyptraea mamillaris, Calyptraea martini, Calyptraea nigeriensis, Calyptraea nigeriensis, Calyptraea pileus, Calyptraea placuna, Calyptraea ramsisi, Calyptraea rugosa, Calyptraea sookensis, Calyptraea sorachiensis, Calyptraea subtabulata, Calyptraea trochiformis, Calyptraea undulata

Subtaxa: Calyptraea (Bicatillus) renovata

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Ecology: facultatively mobile epifaunal suspension feeder

Distribution:

• Pliocene of India (1 collection), Indonesia (7)

• Miocene of Austria (1), France (2), Poland (1)

• Eocene of France (1)

Total: 13 collections each including a single occurrence

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