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Bowlandia
Taxonomy
Bowlandia was named by Morris et al. (1991) [Sepkoski's age data: C Vise Sepkoski's reference number: 967].
It was assigned to Permophorinae by Morris et al. (1991); and to Pholadomyoida by Sepkoski (2002).
It was assigned to Permophorinae by Morris et al. (1991); and to Pholadomyoida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Bowlandia Morris et al. p. 88 |
| 2002 | Bowlandia 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| N. J. Morris et al. 1991 | The new genus resembles Pleurophorella but it has a relatively reduced anterior ventral margin giving it an overall modioliform appearance; we interpret from this that Bowlandia had a semi-infaunal byssate to epifaunal byssate habit, much like living Mytilus edulis, except that we have no evidence that the genus occurred intertidally. The anteriorventral margins converge at about 30° in the type species but at a much greater angle, about 150°, in B. angulata, suggesting attachment of the latter to harder and more planar substrates. The adductor muscles are somewhat anisomyarian with the anterior one varying from rather small to somewhat reduced. We have only observed the posterior adductor in B. angulata; it is medium-sized and rounded, and set close below the distal end of the escutcheon. |