MARINE ZOOLOGY 



779 



Typical Animals From the Gulf of Mexico — Texas Coast — Cont'd 



NAME 



HABITAT ZONE 



Euphole grubei 



Lumhrinereis sp. (possibly young fiori- 



dana), red sandworm 

 Capitellides teres 



Paraxiothea (Olymenella) torguata 

 Polydora ciliata, burrowing worm 



Mollusca 



Gastrofoda 



Tethys protea, sea hare 

 FleurophyUidm, nudibranch 

 Crepidula plana, flat slipper shell 

 Crepidula fo-rnicata, arched slipper shell 

 Littorina irrorata, periwinkle 

 Acmaea antiUarum, limpet 

 Sinum per sped ivmn, ear shell 

 EupJeura candata, oyster drill 

 Thnis haemostoma floridana. purple 

 PoUnices duplicata, duplicid moon shell 



Buscycon pyrum, pear conch 



Busycon can<iU<ntlatus, channeled whelk 



Busycon (Fidgur) perversa, left-handed 



whelk 

 Oliva scA/ana, lettered olive shell 

 Miirex spinicostata, spine-ribbed murex 

 Murex pomii/m, apple murex 

 Semic-assis gihha, helmet shell 

 Fasciolarm tulipa, tulip band shell 

 Fasciolarm gigantea, giant band shell 

 Architectonica granulata (Solarium), gran- 

 ulated sundial shell 

 Triton tigrinis, tiger triton 



Between tide levels of sandj 

 beach 



Common in ovster shells 



!, 



Attached to shells and rocks 

 Attached to shells and rocks 

 Jetties 

 Jetties 



Common in gulf 

 Jetties, oyster beds 

 Jetties, shallow water 

 Feeds on clams, etc., just un- 

 der the surface of the sand 



Sandy ocean floor 

 Sandy ocean floor 



Under surface on sandy beach 



In gulf 



Creep and swim on sandy floor 



Pelecypoda 



Area pexata, ark shell 

 Area incongrua 

 Area, ponderosa, ponderous ark 

 Area transversa, rhomboid ark 

 Plagiocteniun irradians, calico shell 

 Pecten ru)dosibs, knobbed scallop 

 Ostraea virgirdca, oyster 

 Pinna seminuda (atrinia serrata), half- 

 naked pen shell 

 Tellina tenera, small sunset shell 

 Dinocardhim rohustum, large cockle 

 Cardmm mii/ricattmi 

 Dosini-a discus, disk Dosinia 

 Modiolus di^smissus, horse mussel 

 Barnea costata, angel's wings 

 Chione cancellata, cross-barred vemts 

 Venu^ mercenarin, hard-shelled clam or 



round clam 

 Venus campechiensis texanu 



Donax roemeri, wedge shell Beach 



Donax tumidn, wedge shell Beach 



Scavengers in both shallow and 

 relatively deep water 



Eocky crevices 

 Rocky crevices 



'I 



I 



h 



Beach 



Beach 

 Sandy beach 



T 1 



