158 BRUCE CLARK 
TABLE I 
M. | T.M. |Mt.D.| Coal. | Ca. | or. 
Anthozoa: 
Flabellum (?) merriami Nomland...........|....0.|..---|.---- XX ||eeel eee 
Stephanophyllia californica Nomland........ > a eae XK |. eee ae eee 
Trochocyathus imperialis Nomland..........|....-|...-- < Xi AS el eee 
Trochocyathus perrint Dickerson............ Xoiaaee x Kleene al See 
Thamnasteria sinuata Nomland.....:.......].....|....- XX nece oll Be eee 
Turbinolia dickersoni Nomland.............|...--|---+. x Xe 
Turbinolia pusillanima Nomland ...........|.....|..... x Xe 
Echinodermata: 
Schizaster diabloensis Kew....... Sainte leat eas Xk cal oeee Ceeee 
Pelecypoda: 
Acila gabbiana Dickerson..... EUs doe roccane x x x PRE oa dlcic XP 
ARE GA BATE RONG > ogo geddouesdpaousodladsad|dscac X- Nek sare ete eee 
Arca. horni Gabb; n. Vari... jh fec cs ote we sllee ee cle ene | sei |e eee | ene 
Cardium brewerit Gabb, n. subsp........... lalla x x Perillo oc 
Cardium marysvillensis Dickerson.........-| X Xx x x XV |seeee 
Corbula diletata Waring... «02 5c) ees: o oo cist ne «lll self ee el reel ete | eee 
CrassarellizesilisdsWickersoneey eer eee eee |e eee XK. lace eee 
Cucullacaymorani Varin eae eels ere inte oe ee ele | ee | een eee xo eee 
Di plodonta cretacea (Gabba. 1-1): eee ae la e selene | eerie | eee | eae eee 
Ghiamerisiinesnoensis Wickersoniy. see eee |e Geen arises (ed. 
Glvcimeris marysvillensis Dickerson......... > Gan Ps esol oeoosilonG culls ols oc 
Gly cimentsymajor, Stanton Mena jee ee |e |e be eaten (sor olladS ac 
Isocardvum tejonensis Waring. .......-----:| X |... x x xX Viet ae 
bed aniresmocnsissDickeTsOnen eee eet eee eit | erie Xo Naceasea ete 
ikedascanbiConradacsr cer mocceree aoe eae oe ee ell eee x< XO vile x 
Moapgia (2) Gorin IDORKEROD, oasn00000080clls0000os00cllooo0 Xi) les Seeleeee 
Modiolus ornatus Gabb..................--- x x x x x x 
Nucula coopert Dickerson................. > Gn RRP eee biniatdliacodello coos 
Phacordes gyrata Gabby i icias feos so b6 «ae sb ioe So aes | ie eet] ee eee | | ee 
Spisula tejonensis Packard...........1....-- x S< x” lei x ae 
SS DUSULC IMCLPTO NII C Aran NM Peet rete, aren ele. Grell etetevel| etece ee pen nein sete alas iersc 
Tellina sutterensis Dickerson..............- » et REI Semallciciccollo cea ciao < 
Fellinailonga\ Gabby oe hs ok ais nels 3 bo she eeode | 631 ol| 2 sie-acell ee ole all eee  eene| eeee 
Pellinarémondi) Gabbs 33 256 is dots so e0\s bie): || eh ee /e0 << Cll stereo eRe oes | eee 
RivelarweaverveDickersoneeer meee Cele see acre liaise | eel D> haliciocis 
Venericardia planicosta merriami Dickerson. .| X? | X?| X?].....].----]..- 
Gastropoda: aa 
Acmaea ruckmani Dickerson...............|.-+.. KV ccoave aloe eae eee 
Amauropsis alveata (Conrad)............... Seana x x x x 
Ancilla (Oliverata) californica Cooper....... x x PG ic orer Kh \ iene ae 
Bittium featherensis Dickerson.............|..... > Gan eRe laiolyliava-c.a%s|io'o cbc 
Bittium longissimum Dickerson............- yaaa nen (Orolo dooallaoccalloco0c 
Calliostoma arnoldi Dickerson.............. Sine Pen eco Soclige oasis sce » 
Calypirae excentrica (Gabb)............:... x x x x x x 
Cancellaria irelaniana (Cooper)............| X > ee PAPI sho ollscin cielo 6 oa c 
Cancellaria stantont Dickerson............. x x x x x x 
Caricella stormsiana Dickerson............. Pp Ga ere eer S| IAs eval la bie Gallo 0-0 0 
Cerithiopsis orovillensis Dickerson...........|..... bs ee Mo mel| ames nllos60< 
Chrysodomus? martini (Dickerson) = Phos 
MOLI EDI CKerSOn Reece er x S< X |e ocala eee 
Clavilithes tabulata Dickerson .............. > Sima ieee letra cteisl fc. acho 6 Ke ie 
Cordiera gracilluma Cooper..............-- x PM EI arin.c rilcicioo ollac onc 
Exilia perkinsiana Cooper..............+.. OK hilttcere XX ence Sa ees 
