GLOSSARY 1 1 



PRODUCED. Extended or lengthened. 



PROPODUS. Article 6 of pereopod. 



PROTANDROUS. In hermaphroditic forms, becoming a functional male producing 



spermatozoa before becoming a functional female producing eggs. 

 PROTOGYNOUS. In hermaphroditic forms, becoming a functional female 



producing eggs before becoming a functional male producing spermatozoa. 

 PROTOPODITE. Proximal part of an appendage, consisting of the coxa and basis. 

 PROXIMAL. Situated near the point of attachment. 

 PYLOPOD. First pereopod of the Gnathiidea, modified to form part of the 



mouthparts. 

 RAMUS. Branch of an appendage. 

 RENIFORM. Kidney shaped. 



RETICULATE. Resembling or forming a network. 

 RETINACULAE. Small hooks on an appendage, used to link the left and right 



members of a pair of appendages. 

 ROSTRUM. Anterior middorsal projection of cephalon. 

 SAGITTATE. Arrow shaped. 

 SCLEROTIZED. Hardened, usually with chitin. 

 SERRATE. Edged with toothlike projections as in a saw. 

 SETIFEROUS. Bearing setae. 

 SETOSE. Bearing setae. 

 SINUATE. Having a wavy margin. 

 SINUOUS. Having curves. 



SOMITE. Body segment, usually having a pair of appendages. 

 SPATULATE. Shaped like a spatula. 

 SPICATE. Shaped like a spike. 

 SPINE-ROW^. Row of spines situated between the incisor and molar processes of 



the mandible. 

 SPINOSE. Bearing spines. 

 STATOCYST. Small saclike sensory organ, often containing granules, used to 



indicate to the animal its orientation. 

 STYGOBIONT. Cave organism. 



STYLIFORM. Having a long, slender, stilettolike shape. 

 SUB-. A prefix indicating '"almost" or "just less than," e.g., submarginal — almost 



on the margin. 

 SUBCHELATE. Having a subchela, forming a pincerlike structure, especially by 



the dactylus folding back on the propodus. 

 SUTURE. A line indicating an area of articulation, or of incomplete fusion. 

 SYMPOD. Proximal part of an appendage, often formed by the fusion of the coxa 



and basis. 

 TELSON. Terminal part of the body, usually bearing the anus. 

 THORAX. Tagma or body region between the cephalon and the abdomen. 

 TRACHEATE. Bearing tubular respiratory trachea (more correctly pseudotrachea) 



on pleopods, as in Oniscidea. 

 TRICUSPID. Bearing three cusps or points. 

 TRIDENTATE. Having three teeth. 

 TRIFID. Divided into three parts or lobes. 

 TRILOBED. Divided into three lobes. 



