There are currently 14 recognized species in this genus: •
Bythaelurus alcockii (
Garman, 1913) (Arabian catshark) •
Bythaelurus canescens (
Günther, 1878) (dusky catshark) •
Bythaelurus clevai (
Séret, 1987) (broadhead catshark) •
Bythaelurus dawsoni (
S. Springer, 1971) (New Zealand catshark) •
Bythaelurus giddingsi J. E. McCosker,
Long &
C. C. Baldwin, 2012 (Galápagos catshark) •
Bythaelurus hispidus (
Alcock, 1891) (bristly catshark) •
Bythaelurus immaculatus (
Y. T. Chu &
Q. W. Meng, 1982) (spotless catshark) •
Bythaelurus incanus Last &
J. D. Stevens, 2008 (sombre catshark) •
Bythaelurus lutarius (
S. Springer &
D'Aubrey, 1972) (mud catshark) •
Bythaelurus naylori Ebert &
Clerkin, 2015 (dusky snout catshark) •
Bythaelurus stewarti Weigmann,
Kaschner, and
Thiel, 2018 (Error Seamount catshark) •
Bythaelurus tenuicephalus Kaschner,
Weigmann &
Thiel, 2015 (narrowhead catshark) •
Bythaelurus vivaldii (Vivaldi's catshark) A single fossil species, †
Bythelurus steurbauti Hovestadt & Hovestadt-Euler, 1995 is known from the
Early Oligocene of
Belgium. ==References==