BRACHIOPOD COMMUNITIES 



81 



Pycnogonida 



Nymphonids — undetermined 



Mollusca 

 Amphineura 



Lepidozona catalinae Willett 



Scaphopoda 

 Cadulus tolmiet Dall 

 Dentalium rectius Carpenter — C 



Gastropoda 



Acteon punctocaelata (Carpenter) 

 Aglaja sp. 



Anisodoris nobilis (MacFarland) 

 Antiplanes perversa (Gabb) — C 

 Armina California (Bergh) 

 Balcis rutila (Carpenter) 

 Bittium catalinensis Bartsch 

 Boreotrophon triangulatus 



(Carpenter) 

 Bursa californica Hinds — C 

 Callistoma tricolor Gabb 

 Cancellaria cooperi (Gabb) — C 

 Cancellaria craivfordiana Dall 

 Capulus californicus Dall 

 Carolina tridentata Forskal 

 Conus californicus Hinds 

 Crepidula niiea C. B. Adams 

 Elaeocyma empyrosia (Dall) 

 Eolid (undetermined) 

 Epitonium tinctum (Carpenter) 



Pelecypoda 



Acila castrensis Hinds 

 Botulina denticulata (Dall) 

 Cardita <ventricosa Gould — C 

 Cardium juvenile 

 Crenella decussata Montagu 

 Delectopecten vancowverensis 



Whiteaves 

 Dermatomya tenuiconcha (Dall) 

 Glycymeris subobsoleta Carpenter 

 Lima dehiscens Conrad 

 Lyonsia californica Conrad 



Echinodermata 



Asteroidea 



Astropecten californicus 



Fisher— C 

 Astropecten ornatissimus Fisher 

 Henricia leviuscula (Stimpson) 

 Ludia foliolata Grube — C 



Ophiuroidea 



Opliiura leutkeni Lyman — C 



Echinoidea 



Allocentrotus fragilis 



(Jackson) — C 

 Goniinaretis laei'is H. L. Clark 

 Lovenia cordiformis A. Agassiz 



Gastropteron sp. 



Haminoea virescens (Sowerby) — C 

 Hemitoma bella (Gabb) — F 

 Kelletia kelleti Forbes 

 Megasurcula carpenteriana (Gabb) 

 Nassarius insculptus (Carpenter) — C 

 Neosimnia loebbeckeana (Weinkauff) 

 Pliiline sp. — C 

 Pleurobranchaea sp. — C 

 Pterynotus carpenteri Dall 

 Pterynotus petri (Dall) 

 Puncturella cucullata (Gould) 

 Puncturella galeata (Gould) 

 Pusula californica (Gray) 

 Solariella peramabilis Carpenter 

 Triophora sp. 



Tritoniopsis aurantia Mattox — F 

 Turritella cooperi Carpenter 



Modiolus capax (Conrad) 

 Modiolus sacculifer (Berry) 

 Pecten (Pecten) diegensis Dall 

 Pecten (Chlamys) hastatus Sowerby 

 Semele pulchra (Sowerby) 

 Solen rosaceus Carpenter 

 Sportella californica Dall 

 Tellina buttoni Dall— C 

 Thyasira barbarensis Dall 

 Trachycardiujn quadrag enarium 

 (Conrad) 



Mediaster aequalis Stimpson — AB 

 Odontaster crassus Fisher 

 Scleraster hertopaes Fisher 



Lytechinus anamesus 



A. Agassiz & H. L. Clark— AB 

 Spatangus californicus H. L. Clark 



