A Review of the North American Freshwater Snail Genus Pyrgulopsis

More documents

Recommendations

Info

56 FIGURE 22.—Western Pyrgulopsis: a-d. P. nevadensis (a, shell, USNM 590364, 4.8 mm; b, shell, ANSP 187693,6.1 mm; c, d, opercula, USNM 63992, bars = 0.46 mm, 0.43 mm); e-g, P. owensensis, USNM 857955 (e, shell, 2.3 mm;/^P opercula, bar = 0.3 mm); h, shell, P. palomasensis, USNM 130016 (2.5 mm). SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY
NUMBER 554 lake have not yielded live snails (Swain and Meader, 1958; Robertson, 1978; Galat et al., 1981), suggesting that the species now is extinct MATERIAL EXAMINED.—USNM 63992, Pyramid Lake, Nevada. Pyrgulopsis owensensis Hershler, 1989 Pyrgulopsis owensensis Hershler, 1989:187, figs. 26a-d, 27-32.—Hershler and Pratt. 1990:286, fig. 6. DIAGNOSIS.—Shell near-globose to ovate-conic, small to medium-sized, umbilicate. Penial filament and lobe short. Penial ornament a dot-like Dgl (sometimes absent); straight, transverse terminal gland, and ventral gland. DESCRIPTION.—Shell (Figure 22
Page 1 and 2:
A Review of the North American Fres
Page 3 and 4:
S M I T H S O N I A N C O N T R I B
Page 5 and 6:
Contents Page Introduction 1 Materi
Page 7 and 8:
A Review of the North American Fres
Page 9 and 10:
NUMBER 554 position of coiled ovidu
Page 11 and 12: NUMBER 554 field work and laborator
Page 13 and 14: NUMBER 554 FIGURE 2.—Morphology o
Page 15 and 16: NUMBER 554 Sr Ag Dsr FIGURE 4.—Di
Page 17 and 18: NUMBER 554 11 studied the anatomy o
Page 19 and 20: NUMBER 554 13 contrasted the genus
Page 21 and 22: NUMBER 554 15 FIGURE 7.—Western P
Page 23 and 24: NUMBER 554 17 Pyrgulopsis amargosae
Page 25 and 26: NUMBER 554 19 (in T 3S, R 22E, 25,0
Page 27 and 28: NUMBER 554 21 Pratt (1977) recorded
Page 29 and 30: NUMBER 554 23 DISTRIBUTION.—This
Page 31 and 32: NUMBER 554 25 nucleus slightly ecce
Page 33 and 34: NUMBER 554 27 FIGURE 11.—Western
Page 39 and 40: NUMBER 554 33 ornament an elongate,
Page 41 and 42: NUMBER 554 35 dium centered slightl
Page 43 and 44: NUMBER 554 FIGURE 15.—Western Pyr
Page 45 and 46: NUMBER 554 Pyrgulopsis glandulosa H
Page 47 and 48: NUMBER 554 41 visceral coil black.
Page 53 and 54: NUMBER 554 copulatrix. Seminal rece
Page 55 and 56: NUMBER 554 Pyrgulopsis merriami (Pi
Page 59 and 60: NUMBER 554 or lightly pigmented on
Page 61: NUMBER 554 weakly frilled. Attachme
Page 65 and 66: NUMBER 554 59 REMARKS.—The small
Page 69 and 70: NUMBER 554 63 units; Dg3 small (som
Page 71 and 72: NUMBER 554 65 Pyrgulopsis simplex H
Page 75 and 76: NUMBER 554 69 DIAGNOSIS.—Shell ov
Page 77 and 78: NUMBER 554 71 filament, extending s
Page 79 and 80: NUMBER 554 FIGURE 28.—Eastern Pyr
Page 81 and 82: NUMBER 554 75 medium length, obliqu
Page 83 and 84: NUMBER 554 77 2e). Visceral coil li
Page 85 and 86: NUMBER 554 FIGURE 30.—Eastern Pyr
Page 87 and 88: NUMBER 554 ANSP 61606; paralectotyp
Page 89 and 90: NUMBER 554 83 and southeastern Ariz
Page 91 and 92: Appendix 2 Fossil Species Described
Page 93 and 94: NUMBER 554 87 Pyrgulopsis bryantwal
Page 95 and 96: NUMBER 554 89 FIGURE 32.—Central
Page 97 and 98: NUMBER 554 FIGURE 34.—Central rad
Page 101 and 102: NUMBER 554 FIGURE 38.—Central rad
Page 107 and 108: NUMBER 554 FIGURE 44.—Penes of we
Page 113 and 114:
NUMBER 554 FIGURE 50.—Penes of we
Page 115 and 116:
NUMBER 554 FIGURE 52.—Penes of ea
Page 117 and 118:
Abbott, R.T. 1948. A Potential Snai
Page 119 and 120:
NUMBER 554 Society of Washington, 1
Page 121:
NUMBER 554 115 gyrus, Gabbia, Hydro
show all

A Review of the North American Freshwater Snail Genus Pyrgulopsis

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?