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Taxonomy
Calva (Microcalva) was named by Saul and Popenoe (1992). Its type is Calva (Microcalva) haggarti.
It was assigned to Calva by Saul and Popenoe (1992).
It was assigned to Calva by Saul and Popenoe (1992).
Subtaxa
Calva (Microcalva) elderi, Calva (Microcalva) haggarti (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Calva (Microcalva) Saul and Popenoe p. 48 |
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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.
Subg. †Calva (Microcalva) Saul and Popenoe 1992
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†Calva (Microcalva) elderi Saul and Popenoe 1992
†Calva (Microcalva) haggarti Saul and Popenoe 1992
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and W. P. Popenoe 1992 | Small ovately trigonal Calva with concentric ribs and lacking a distinct escutcheon. Hinge moderately heavy with 3b narrowly bifid, laterals finely striate, and anterior lateral AIi hooked. Pallial sinus linguiform. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||