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Melonis
Taxonomy
Melonis was named by Monfort (1808) [Sepkoski's age data: T Eo-m-l R]. It is extant. It was considered unknown by Montfort (1808).
It was assigned to Melonidae by Montfort (1808); to Foraminiferida by Sepkoski (2002); and to Pulleniinae by Margerel (2012).
It was assigned to Melonidae by Montfort (1808); to Foraminiferida by Sepkoski (2002); and to Pulleniinae by Margerel (2012).
Species
Species lacking formal opinion data
Synonymy list
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Montfort 1808 | Generic characters. Shell free, univalve septate, disc-shaped, and convoluted in a flattened spiral; having an umbilicus; the last turn containing all the others; rounded mouth, receiving in its middle the return of the coil, sealed and covered by a diaphragm without siphon, but leaving a semi-lunar opening against the return of the coil; united partitions. |