240 



MARINE INVERTEBRATES 



(Thoracic segments unite ivith head and form cephalothorax, which is covered by 



carapace; eyes stalked ; maxillipeds have exopodites ; five pairs 



of walking-feet without exopodites) 



Suborders 



MACRURA 



(Abdomen usually longer 

 than cephalothorax and 

 commonly "extended ; ros- 

 trum usually prominent; 

 eyes not inclosed in orbits ; 

 antennce and antennules 

 large; antennce have exo- 

 podites) 



Species 



^ P. setiferus 

 i P. brasiliensis 



P. vulgaris 

 < C. vulgaris 

 ( C. franciscorum 



H. americanus 

 { P. intemtptus 

 I P. argus 



H. arcuata 

 P. bet*n7iardus 

 P. pollicaris 

 P. longicarpus 

 C. vittatus 



C. diogenes 

 If. talpoida 

 If. analoga 

 A. gibbesii 

 P. say ana 

 P. sexspinosus 

 P. armatus 

 L. mala 

 E. dbarius 

 E. foriminatws 

 A. hispidus 

 C. sitchensis 

 P. papillosiis 



IEchidnocerus 

 - 

 i 

 Phyllolithodes 



