222 University of California Publications in Geology [Vol. 10 



FAUNAL LIST OF THE ETCHEG01N OF THE COALINGA 

 DISTRICT — (Concluded) 



| a 3 v o 



- S rt 5 c § O 10 += - as 



^ ^ ^ S ° « a 5 = 7 

 ■2S SS » ^ |S 'E ^ g 



J3 ^ Sc £'S Ofe =02 O-CC = o g aj 



o h h g j ti PMhJ W 



Crustacea 



Balanus coneavus Bronn C C x 



Cancer fissus Rathbun 



Loxorhynehus grandis Stimpson 



Tamiosoma gregaria Conrad C * 



Pisces 



Careharodon arnoldi Jordan 



Fish, bulbous growths : 



Reptilia 



Testudo(f), sp 



Mammalia 



Camelops or Pliauchenia, sp 



Castor ealifornicus Kellogg 



Cervus or Odocoileus, sp : 



Mastodon 



Neohipparion molle Merriam 



Pliohippus coalingensis (Merriam) 



Pliohippus proversus Merriam 



Pliohippus, cf. tejonensis (Merriam) 



Proeamelus( ?), sp 



Tayassu or Mylohyus 



(C indicates that the species is common; R indicates that the species is rare; U indicates 

 that the species is unknown outside of this horizon ; X indicates other formations in which the 

 species is found.) 



Summary of Etchegoin Invertebrate Faunal List 



Anthozoa 1 



Echinodermata 11 



Braehiopoda 2 



Pelecypoda 80 



Gastropoda 53 



Crustacea 4 



Total number of determinable Etchegoin invertebrate species 149 



Number of Recent molluscan species in the Etchegoin 50 



Percentage of Recent molluscan species 39 



Percentage of Recent species in gastropod fauna of Etchegoin 21 



Number of species known only from the Etchegoin of Coalinga 42 



Total number of species reported from the lower Fernando near Newhall .... 60 

 Number of species common to the Etchegoin and the lower Fernando near 



Newhall 27 



Total number of species reported from the lower Pliocene near Sargent 38 



Number of species common to the Etchegoin and the lower Pliocene beds 



near Sargent 30 



