Download PDF as one large file - AToL Decapoda

Infraorder Astacidea
Family Nephropidae
Key to genera and species
[Based on Holthuis, 1974]
Family Nephropidae 285
1. Eyes black, with pigment (carapace with longitudinal ridges behind cervical groove;
series of lateral rostral spines extending backwards almost to cervical groove)
Metanephrops binghami
Eyes white, lacking pigment 2
2. (1) Rostrum laterally compressed for larger part of its length, with dorsal and ventral
but no lateral teeth; carapace with branchiostegal spine; body entirely covered by
numerous closely placed and sharply pointed spinules; lateral margin of telson with
6tol2spines Acanthacaris caeca
Rostrum dorsoventrally depressed with lateral (and sometimes ventral) but without
dorsal teeth; carapace without branchiostegal spine; body never uniformly covered
with spinules, although granules may be present all over, or spinules may be placed
on carapace; lateral margin of telson with at most 3 lateral spines; spines, if present,
usually small and irregular Nephropsis aculeata