There are approximately 4 species and subspecies in this genus: R. conicum (Streaked Weeverfish) · R. glacicolum · R. lacustris · R. velox
There are approximately 69 species and subspecies in this genus: C. bermudensis · C. biondii · C. callicratus · C. clappi (Appalachian Thorn) · C. clappi imm · C. costatum · C. cymatoplax · C. elongatum · C. eumicron · C. exide · C. exigaum · C. exige · C. exigium · C. exigua · C. exigua m · C. exigum · C. exiguum (Obese Thorn) · C. exiguum exile · C. exiguum floridanum · C. exiguum mexicanum · C. exiguum var. costaricanum von Martens, 1898 · C. exila · C. exile (Ice Thorn) · C. exile canadense · C. exile canadensis · C. exile candense · C. exile exile · C. exilec · C. floridanum · C. hachijoensis · C. hellenicum · C. ibazoricum · C. indicum · C. jamaicensis · C. javanicum · C. javanum (Silver Labeo) · C. lederi · C. loheri · C. manum · C. mariae · C. mexicanum (Southern Thorn) · C. miniatum · C. minimum (Herald Thorn) · C. minusculum · C. munieri · C. nannodes (File Thorn) · C. nanodes · C. nanuodes · C. nipponensis · C. noduliferum · C. nouleti · C. occidentale (Western Thorn) · C. occidentalis · C. pachyloma · C. paganettii · C. perexiguum · C. pessimum · C. pessimum borealis · C. pessinum · C. riparium (Floodplain Thorn) · C. schlickumi · C. schwageri · C. sianicum · C. striolatum · C. stygium (Cave Thorn) · C. tridentatum (Dentate Thorn) · C. type · C. type bermudense · C. vulgare
Accessed through GBIF Data Portal March 19, 2008:
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