Table C-11. Comparison of the species and number of individuals 

 collected at the nine transects of station 4 between 

 May 1975 and May 1980. 



1975 



1980 





1975 



1980 



Species Number Collected 



Number Collected 



Species Number 



Collected 



Number Collected 



PIATYHEIMINTHES 





AMPHIPODA 







TURBEUARIA 





Acautiiohaustorius sp. 



821 



64 



Unidentified spp. 1 



— 



Uauscoridae sp. (juv.) 



— 



2 







Haustozius n. sp. 



4 



— 



CHAETOGNATHA 





Lembos cf . webszezi 



— 



1 



Unidentified sp. — 



1 



Llstrialla cf . bamardi 

 tlonoculodes ny n 



2 



1 

 5 



NIMERTINEA 





Monoculodes sp. 



— 



4 



Unidentified spp. 18 



8 



Parahaustorius n. spp. 



13 



8 







Procohaustorius n. sp. 



160 



74 



NEMAIODA 





Pseudohauscorius n. sp. 



30 



20 



Unidentified spp. 1 



1 



Pseudoplacyischnopus n. spp. 



— 



6 







Synchelldium n. sp. 



15 



— 



ANNELIDA 





MYSIDACEA 







OLICOCHAETA 





Bowmaniella spp. 



— 



9 



Unidentified spp. — 



2 



Metamysidopsis sviftl 



— ' 



2 



POLYCHAETA 





Mysidacea sp. 



— 



2 



ArmandJia macuiata 1 



1 



CAR IDEA 







Dispio uncinate 15 



26 



Ogyzides alphaarostzis 



7 



5 



Gl^cinde solitaria — 



2 



Pzocessa vicina 



1 



— 



Magelona obockansis 2 



— 



MACRURA 







«agelona riojai 10 



11 



Calllanassa sp. 



— 



8 



Hicronephcys mlauta 1 



— 



Unidentified sp. 



11 



— 



Micronephtys sp. 1 



— 



ANOMURA 







Itinuspio cirzifera — 



1 



Qaerita talpoida 



6 



— 



Myriochele oculata 



2 



Paguzidae sp. 



— 



2 



Nephtys bucera 4 



— 



Pagurus longicarpus 



1 



2 



NGpticys picta — 



49 



Paguzus sp . 



— 



1 



Paraojiis fulgens 77 



338 



BRACHVURA 







Prionospio cristaca 1 



— 



Dissodactyius maJiitdae 



— 



13 



ScoleZepis squamata 17 



3 



OvaJi pes oceJla tus 



1 



— 



Scoloplos foliosus 1 



4 



Pinnlxa chac&i 



— 



4 



Scoloplos ro^ustus — 



1 



Pinnixa czistata 



13 



— 



Spionld sp. 1 



— 



Pinnocbezes maculatus 



3 



— 



Splo pectiboneaa 19 



— 



Plnnotheridae sp. (juv.) 



— 



34 



Spiophaiies bombyx 4 



5 



Porrunus gibbesil 

 STOMATOPODA 



4 



~ 



MOLLUSCA 





Coronis excavatzix 



— 



L 



GASTROPODA 











Oliva sayana — 



1 



ECHINODERMATA 







Oliva mutica 



2 



ECHINOIDEA 







Polinlces duplicatus 1 



— 



Hellita quinquiaspezfozata 



10 



28 



BIVALVU 





HOLOTHUROIDEA 







Ctina daJii 



1 



Unidentified sp. (juv.) 



5 



— 



Donax texasianus 818 



4 









Erviiia concenczica 2 



— 



HEMICHORDATA 







Lepton sp. 



1 



Unidentified sp. (juv.) 



1 



— 



stiigilla mirahilis 4 











reiiina versicolor 



1 



CEPHALOCHORDATA 







Unid. venerid (nr. Gouidia) 2 

 Veneridae sp. — 

 ARTHKOPODA 



— 



Bzanchiostoma flozidae 



1 



1 





Total Number of Individuals 2 



,149 



797 



CRUSTACEA 





Total Number of Species 



46 



51 



CUMACEA 



Mancocuma sp. 3 



_ 















Unidentified sp. 1 



— 









Cumacea sp . B 



2 



\ 







Cumacea sp. D 



1 









ISOPODA 











Ancinus depressus 27 



3 









Chlridotea sxoavata 8 



25 









82 



