MolluscaBase - Polygyra (Stenotrema) monodon fraterna (Say, 1824)

MolluscaBase name details

Polygyra (Stenotrema) monodon fraterna (Say, 1824)

AphiaID

1539110 (urn:lsid:marinespecies.org:taxname:1539110)

Classification

Status

unaccepted > superseded combination

Accepted name

Euchemotrema fraternum (Say, 1824)

Rank

Subspecies

Parent

Polygyra (Stenotrema) monodon (Rackett, 1821) accepted as Euchemotrema leaii leaii (A. Binney, 1840)

Original name

Helix fraterna Say, 1824

Environment

~~marine~~, ~~brackish~~, ~~fresh~~, terrestrial

Original description

(of Helix fraterna Say, 1824) Say, T. (1824). Class Mollusca. In: Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of The Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U. S. T. E. compiled from the notes of Major Long, Messrs Say, Keating, and Calhoun, by William H. Keating, A. M. &c. H.C. Carey & I. Lea, Philadelphia. 2: 256-266, plates 14-15, available online at http://biodiversitylibrary.org/page/13640689
page(s): 257, pl. 15, fig. 3 [details]

Taxonomic citation

MolluscaBase eds. (2025). MolluscaBase. Polygyra (Stenotrema) monodon fraterna (Say, 1824). Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1539110 on 2025-09-11

Taxonomic edit history

Date

action

2021-09-04 17:20:12Z

created

Auffenberg, Kurt

2022-10-04 17:13:49Z

changed

Auffenberg, Kurt

Licensing

The webpage text is licensed under a Creative Commons Attribution 4.0 License

[taxonomic tree]

Sources (2)

original description (of Helix fraterna Say, 1824) Say, T. (1824). Class Mollusca. In: Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, &c. &c. performed in the year 1823, by order of The Hon. J.C. Calhoun, Secretary of War, under the command of Stephen H. Long, Major U. S. T. E. compiled from the notes of Major Long, Messrs Say, Keating, and Calhoun, by William H. Keating, A. M. &c. H.C. Carey & I. Lea, Philadelphia. 2: 256-266, plates 14-15, available online at http://biodiversitylibrary.org/page/13640689
page(s): 257, pl. 15, fig. 3 [details]

basis of record Baker, F. C. (1897). On a collection of mollusks from Grand Tower, Illinois. <em>The Nautilus.</em> 11(3): 28-30., available online at https://www.biodiversitylibrary.org/page/1774602
page(s): 30 [details]