Discriminating shells of Gastrocopta pentodon (Say, 1822) and G. tappaniana (C. B. Adams, 1842) (Gastropoda: Pulmonata) with an example from the Delmarva Peninsula, eastern USA

Nautilus

Volumn 121, Issue 2, 2007, Pages 66-75

  Pearce, Timothy A ^a   Fields, Marvin C ^a   Kurita, Kayoko ^b  

^a SECTION OF VERTEBRATE PALEONTOLOGY   (United States)

^b National Institution for Academic Degrees and University Evaluation Tokyo   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

GASTROCOPTA CARNEGIEI; GASTROCOPTA PENTODON; GASTROCOPTA TAPPANIANA; GASTROPODA; PULMONATA; PUPILLOIDEA; STYLOMMATOPHORA;

EID: 34547419786     PISSN: 00281344     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (20)

1. Bequaert, J. C. and W. B. Miller. 1973. The mollusks of the arid southwest, with an Arizona checklist. University of Arizona Press, Tucson, xvi + 271 pp.
2. Clench, W. J. 1965. Note on Gastrocopta tappaniana (C. B. Adams). The Nautilus 78: 106-107.
3. Goodfriend, G. A. 1986. Variation in land-snail shell form and size and its causes: a review. Systematic Zoology 35: 204-233.
4. Hagiuda, N. and K. Shigemasu. 1996. Junjo tsuki kategorikaru deta e no inshibunseki no tekiyo ni kansuru ikutsuka no chui ten. [Some remarks on the application of factor anaylsis to ordered categorical data]. The Japanese Journal of Psychology 67: 1-8.
5. th ed. Prentice Hall, 768 pp.
6. Hubricht, L. 1976. Notes on some land snails of the eastern United States. The Nautilus 90: 104-107.
7. Hubricht, L. 1985. The distributions of the native land mollusks of the eastern United States. Fieldiana, Zoology, new series 24: i-viii + 1-191 pp.
8. Lauriol, B., E. Deschamps, L. Carrier, W. Grimm, R. Morlan, and B. Talon. 2003. Cave infill and associated biotic remains as indicators of Holocene environment in Gatineau Park (Quebec, Canada). Canadian Journal of Earth Sciences 40: 789-803.
9. Mardia, K. V. 1971. The effect of non-normality on some multivariate tests and robustness to non-normality in the linear model. Biometrika 58: 105-121.
10. Minton, R. L. and R. W. Gunderson. 2001. Puperita tristis (d'Orbigny, 1842) (Gastropoda: Neritidae) is an ecotype of Puperita pupa (Linnaeus, 1767). American Malacological Bulletin 16: 13-20.
11. Nekola, J. C. 2004. Terrestrial gastropod fauna of northeastern Wisconsin and the southern Upper Peninsula of Michigan. American Malacological Bulletin 18: 21-44.
12. Nekola, J. C. and M. Barthel. 2002. Morphometric analysis of Carychium exile and Carychium exiguum in the Great Lakes Region of North America. Journal of Conchology 37: 515-531.
13. Pearce, T. A. and A. S. Italia. 2002. Land snails and slugs in Delaware, USA: systematic survey reveals new distribution records. Western Society of Malacologists, Annual Report (for 2000) 33: 26.
14. Pilsbry, H. A. 1948. Land Mollusca of North America (north of Mexico). Academy of Natural Sciences of Philadelphia, Monograph 3, 2(2): i-xlvii + 521-1113.
15. Sterki, V. 1906. Additional notes on Bifidaria pentodon and B. tappaniana. The Nautilus 19: 134-135.
16. Sterki, V. 1916a. Description of a new Bifidaria. The Nautilus 29: 105.
17. Sterki, V. 1916b. Note on Bifidaria minuta St. The Nautilus 30: 84.
18. Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, P. M. Mikkelsen, R. J. Neves, C. F. E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F. G. Thompson, M. Vecchione, and J. D. Williams. 1998. Common and Scientific Names of Aquatic Invertebrates from the United States and Canada. Mollusks, 2nd edition. American Fisheries Society Special Publication 26, Bethesda, 526 pp.
19. USDA-NRCS. 2004. The PLANTS Database, Version 3.5 (http://plants.usda. gov). National Plant Data Center, Baton Rouge, Louisiana 70874-4490, USA. Consulted on 28 Feb. 2007.
20. Vanatta, E. G. and H. A. Pilsbry. 1906. On Bifidaria pentodon and its allies. The Nautilus 19: 121-128.