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Planaxidae comprise 11 genuses
Family Planaxidae 1/2 Subfamily Fossarinae : 4 Genus -----1/4 Genus Anafossarus: 1 Species----------1/1 Anafossarus sydneyensis-----2/4 Genus Chilkaia: 1 Species----------1/1 Chilkaia imitatrix-----3/4 Genus Fossarus: 25 Species----------1/25 Fossarus ambiguus ----------2/25 Fossarus angiostoma ----------3/25 Fossarus angulatus ----------4/25 Fossarus beccarii ----------5/25 Fossarus brumalis ----------6/25 Fossarus capensis ----------7/25 Fossarus cereus ----------8/25 Fossarus cumingii ----------9/25 Fossarus dentifer ----------10/25 Fossarus fischeri ----------11/25 Fossarus garrettii ----------12/25 Fossarus guayaquilensis ----------13/25 Fossarus laeviusculus ----------14/25 Fossarus lamellosus ----------15/25 Fossarus lucanus ----------16/25 Fossarus lui ----------17/25 Fossarus mediocris ----------18/25 Fossarus megasoma ----------19/25 Fossarus multicostatus ----------20/25 Fossarus orbignyi ----------21/25 Fossarus purus ----------22/25 Fossarus stoliczkanus ----------23/25 Fossarus translucens ----------24/25 Fossarus trochlearis ----------25/25 Fossarus tuberosus-----4/4 Genus Larinopsis: 2 Species----------1/2 Larinopsis ostensus ----------2/2 Larinopsis turbinata2/2 Subfamily Planaxinae : 7 Genus -----1/7 Genus Fissilabia: 1 Species----------1/1 Fissilabia decollata-----2/7 Genus Halotapada: 1 Species----------1/1 Halotapada nubila-----3/7 Genus Hinea: 11 Species----------1/11 Hinea akuana ----------2/11 Hinea atra ----------3/11 Hinea brasiliana ----------4/11 Hinea fasciata ----------5/11 Hinea fortdauphinensis ----------6/11 Hinea inepta ----------7/11 Hinea lineata ----------8/11 Hinea longispira ----------9/11 Hinea nucleola ----------10/11 Hinea punctostriata ----------11/11 Hinea zonata-----4/7 Genus Holcostoma: 2 Species----------1/2 Holcostoma piliger ----------2/2 Holcostoma setigerum-----5/7 Genus Planaxis: 4 Species----------1/4 Planaxis savignyi ----------2/4 Planaxis sulcatus ----------3/4 Planaxis suturalis ----------4/4 Planaxis virgatus-----6/7 Genus Simulathena: 1 Species----------1/1 Simulathena papuensis-----7/7 Genus Supplanaxis: 8 Species----------1/8 Supplanaxis acutus ----------2/8 Supplanaxis leyteensis ----------3/8 Supplanaxis nancyae ----------4/8 Supplanaxis niger ----------5/8 Supplanaxis nucleus ----------6/8 Supplanaxis obsoletus ----------7/8 Supplanaxis planicostatus ----------8/8 Supplanaxis riccardomeli57 Species in Planaxidae
(Extracted from WoRMS on February 2026)
NB: status "accepted" and "extant, not fossile-only"