Observations on the fauna of the rocks at Fort Cassin, Vermont, with descriptions of a few new species

R. P. Whitfield

1890

Article

Bulletin of the American Museum of Natural History 3(1):25-39

Find it at:

Taxa discussed in this work:

• Ecculiomphalus triangulus
• Malayaspira perkinsi
• Plethospira difficilis
• Teiichispira similis

Taxonomy:

• Ecculiomphalus triangulus belongs to Ecculiomphalus - Whitfield (1890)
• Teiichispira similis belongs to Helicotoma - Whitfield (1890)