Pars 15 
Ashleyi. — crassicardo. 
215 
1907 Pecten (Lyropecten) ashleyi Eldridge-Arnold, (339) p. 107, 152, 
T. XXXIV, fig. 2. 
Pliocan. Kalifornien. 
Bowersi Arnold. 
1906 Pecten (Lyropecten) Bowersi Arnold, (139) p. 70, 71, T. XII, 
fig. 1, 2, T. XIII, fig. 1, la. 
1907 Pecten (Lyropecten) Bowersi, Eldridge-Arnold, (339) p. 147, 
T. XXVII, fig. 1. 
1907 Pecten (Lyropecten) Bowersi Arnold, (280) p. 526, T. 40, fig. 1. 
1907 Pecten (Lyropecten) Bowersi Arnold- Anderson, (340) p. 32, 
T. XVIII, fig. 5. 
Untermiocan, Mittelmiocan. Kalifornien. 
crassicardo Conrad. 
1856 Pallium crassicardo Conrad, Proc. Acad. nat. sci. Philadelphia, 
p. 313. 
non 1856 Pallium (= Pecten) estrellanum Conrad, Pac. R. R. Rept. 
VI, pt. 2, p. 71, T. III, fig. 15. 
1857 ? Spondylus (= Pecten) estrallensis Conrad, Description of 
three new genera etc., Proc. Acad. Nat. Sci. Philadelphia, 
Pirst ser. VIII, p. 315. 
1857 ? Spondylus (= Pecten) estrellanus Conrad, Report on the 
paleont. of the survey, Pac. R. R. Rept. VII, pt. 2, p. 191, 
T. 1, fig. 3 (non Pallium (= Pecten) estrellanum Conrad 1856). 
1863 Pecten crassicardo Conrad, Descriptions of new genera, subgen. 
and species of tert. and recent shells, Proc. Acad. Nat. hist. 
Sci. Philadelphia, 2 d. ser., VI, p. 291. 
1867 Lyropecten crassicardo Conrad, Paleontological miscellanies, 
Am. Journ. Conch., III, p. 6. 
1869 Liropecten crassicardo Gabb, Geolog. Survey of California, 
Paleontology, II, p. 105 (pars). 
1888 Liropecten crassicardo Cooper, Catalogue of Californian fossils, 
Seventh Ann. Rept. Cal. State Min., Sacramento, p. 246 (pars). 
1894 Pecten estrellanus Cooper, Catal. of Californian fossils, Bull. 
Cal. State Min. Bureau, Nr. 4, pt. 5, p. 57 (pars). 
1898 Pecten magnolia Dall, The tertiary fauna of Florida, Family 
Pectinidae, Trans. Wagner Free Inst. Sci. III, pt. 4, p. 702 
(pars); non Pecten magnolia Conrad 1857. 
1901 Pecten magnolia Dall, A new Lyropecten, Nautilus, XIV. 
p. 117 (pars). 
1904 Pecten (Lyropecten) diabloensis Arnold, The diabase of the 
Santa Cruz Mountains in San Mateo County, Cal. Proc. Am. 
Phil. Soc. 43, p. 15—53. 
1906 Pecten (Lyropecten) crassicardo Arnold, (139) p. 71 — 73, T. XVI. 
fig. 1, la; T. XVII, fig. 1, la, lb; T. XVIII, fig. 1, 2, 2a. 
1907 Pecten (Lyropecten) crassicardo Arnold, (280) p. 542, T. 44, 
fig. 1. 
1907 Pecten (Lyropecten) crassicardo Arnold-Anderson, (340) p. 32, 
T. XVIII, fig. 1. 
1907 Pecten (Lyropecten) crassicardo Eldridge-Arnold, (339) p. 14, 
147, T. XXXI, fig. 1. 
1909 Pecten crassicardo Dall, (272), App. VIII, Conrad., p. 173. 
1909 Pecten crassicardo Arnold, (330) p. 13, T. XII, fig. 1. 
