thalassinidæ

pl. [Modern Lat. thalas sin(a); Lat. fem. pl. adj. suff. -idœ.] Zool.: A widely-distributed family of Macrurous Decapod a. Abdomen long, not very solid, carapace small and compre ed; first pair of legs large; sternal plate long and narrow. tha-las-si-o-, pref. [THALASSO-.] and Gr. phyllon =a leaf.]