Stenopodidea belongs to the
order Decapoda, and is most closely related to the
Caridea and
Procarididea infraorders of
shrimp. The
cladogram below shows Stenopodidea's relationships to other relatives within
Decapoda, from analysis by Wolfe
et al., 2019. There are 71 extant species currently recognized within Stenopodidea, divided into 12 genera. Three fossil species are also recognized, each belonging to a separate genus. Until
D. pennsylvaniensis was discovered, the oldest known member of the group was
Jilinicaris chinensis from the
Late Cretaceous. The cladogram below shows Stenopodidea's internal relationships: }} Stenopodidea comprises the following
families and
genera: • †
Dubiostenopus Alencar
et al. 2023 •
Macromaxillocarididae Alvarez, Iliffe & Villalobos, 2006 •
Macromaxillocaris Alvarez, Iliffe & Villalobos, 2006 •
Spongicolidae Schram, 1986 •
Engystenopus Alcock & Anderson, 1894 •
Globospongicola Komai & Saito, 2006 • †
Jilinicaris Schram, Shen, Vonk & Taylor, 2000 •
Microprosthema Stimpson, 1860 •
Paraspongicola De Saint Laurent & Cléva, 1981 •
Spongicola De Haan, 1844 •
Spongicoloides Hansen, 1908 •
Spongiocaris Bruce & Baba, 1973 •
Stenopodidae Claus, 1872 • †
Devonostenopus Jones
et al., 2014 •
Juxtastenopus Goy, 2010 •
Odontozona Holthuis, 1946 • †
Phoenice Garassino, 2001 •
Richardina A. Milne-Edwards, 1881 •
Stenopus Latreille, 1819 ==References==