40 



IOWA STUDIES IN NATURAL HISTORY 



collecting that has since been done in the West Indies, and even 

 at Water Island itself, no others have ever come to light. 



THE OPHIURANS OF THE CARIBBEAN REGION 



Those designated with an asterisk (*) have been recorded 

 from Barbados. 



Family Ophiomyxidae 



OpJiiomyxa flaccida 

 ^Ophiomyxa tumida 



Ophiomyxa hrevicaudu 

 *Ophiohyrsa serpens 



Ophiohyrsa perrieri 



Ophiobrachion uncinatus 

 *Ophiogeron supinus 

 *Ophiosciasma granulatum 



Ophiosciasma attenuatum 

 Ophiophrixus quadrispinosus 

 Ophiodera stimpsonii 

 Ophioscolex disacanthus 



*Ophioscolex glacialis 



*Ophioscolex tropicus 

 Ophioscolex serratus 

 Ophioleptoplax atlantica 



Family Trichasteridae 



* Astroschema arenosum 

 Astroschema intectum 

 Astroschema hrachiatum 



^Astroschema Iceve 



* Astroschema oligactes 

 Astroschema sulcatum 



* Astroschema tenue 

 Astroschema clavigerum 



Astroschema elongatum 

 Astroschema nuttingi 

 Astroschema vicinum 



*Ophiocreas lumhricus 

 Ophiocreas oedipiis 



*Ophiocreas spinulosum 

 Asteronyx loveni 

 Astrodm tenuispina 



Family Gorgonocephalidae 



Astrogomphus vallatus 

 Astrogomphus rudis 

 *Asteroporpa annulata 

 *Asteroporpa pulchra 

 *Astrocnida isidis 



Astrospartus mucronatus 

 Astrophytum muricatum 

 Astrogordius cacaoticus 

 * Astrocyclus ccecilia 

 Astrocynodus herrarai 



Family Hemieuryalidae 



Ophiochondrus armatus Ophiochondrella squamosa 



*Ophiochondrus convolutus 

 Ophioch ondrus c rassispin us 

 Ophiochondrus gracilis 



*Sigsheia murrhina 

 Ophioh olcus sexradiatus 

 Ophioplus tuberculosus 



*'Hemieuryale pustidata 



