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Lacunarites
Taxonomy
Lacunarites was named by Opik (1934). Its type is Lacunarites ilmatar.
It was assigned to Clitambonoidea by Opik (1934); to Clitambonitidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
It was assigned to Clitambonoidea by Opik (1934); to Clitambonitidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
Species
L. ilmatar (type species), L. ornatus
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Lacunarites Opik |
| 2000 | Lacunarites Williams et al. p. 702 |
| 2002 | Lacunarites Sepkoski |
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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. †Lacunarites Opik 1934
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†Lacunarites ilmatar Opik 1934
†Lacunarites ornatus Eichwald 1840
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams et al. 2000 | Strongly concavoconvex; combined concentric ridges and coarse, spaced costellae producing pits in intercostal spaces; spondylium sessile. |