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Taxonomy
Pillucina was named by Pilsbry (1921) [Sepkoski's age data: T Plio R]. It is extant.
It was assigned to Lucininae by Cox et al. (1969); to Veneroida by Sepkoski (2002); and to Lucinidae by Glover and Taylor (2007).
It was assigned to Lucininae by Cox et al. (1969); to Veneroida by Sepkoski (2002); and to Lucinidae by Glover and Taylor (2007).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Pillucina Pilsbry p. 382 |
| 1930 | Sydlorina Iredale |
| 1969 | Pillucina Cox et al. p. 499 |
| 1969 | Pillucina (Sydlorina) Cox et al. p. 499 |
| 2002 | Pillucina Sepkoski |
| 2007 | Pillucina Glover and Taylor p. 158 |
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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. Pillucina Pilsbry 1921
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Subg. Pillucina (Pillucina) Pilsbry 1921
Invalid names: Sydlorina Iredale 1930 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. A. Glover and J. D. Taylor 2007 | Shells small (H to 14 mm), inflated, sculpture of fi ne to broad radial ribs that often bifurcate, crossed by fine, low, commarginal lamellae. Sculpture usually more prominent on anterior and posterior parts of shell. Hinge with two cardinal teeth in left valve and a single cardinal tooth in right valve. Posterior lateral tooth present in both valves, anterior lateral tooth present or absent. Ligament internal, located on elongate resilifer that widens to the posterior. Anterior adductor muscle scar short and detached from pallial line for about 1/4-1/2 of length. Inner shell margin fi nely to coarsely crenulate. |