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Longoconcha
Taxonomy
Longoconcha was named by Stephenson (1941) [Sepkoski's age data: K Coni K Maes-u]. It is not extant.
It was assigned to Neogastropoda by Sepkoski (2002); and to Volutoderminae by Sohl (1964) and Saul and Squires (2008).
It was assigned to Neogastropoda by Sepkoski (2002); and to Volutoderminae by Sohl (1964) and Saul and Squires (2008).
Species
Synonymy list
Year | Name and author |
---|---|
1941 | Longoconcha Stephenson |
1964 | Longoconcha Sohl p. 250 |
2002 | Longoconcha Sepkoski |
2008 | Longoconcha Saul and Squires p. 232 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Longoconcha Stephenson 1941
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†Longoconcha dalli Stephenson 1941
†Longoconcha eumeka Saul and Squires 2008
†Longoconcha imbricatus Sohl 1964
†Longoconcha quadrilirata Sohl 1964
†Longoconcha tennesseensis Wade 1926
Diagnosis
Reference | Diagnosis | |
---|---|---|
L. R. Saul and R. L. Squires 2008 | Elongate, narrowly fusiform to subcylindrical vol- utodermine volutes, having flanks of mature whorls flattened, spire high and evenly tapering. Three or more strong columellar folds. |