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Polidevcia bellistriata

Bivalvia - Protobranchia - Nuculanidae

Leda bellistriata was named by Stevens (1858). It is a 3D body fossil.

It was recombined as Culunana bellistriata by Lintz (1958); it was recombined as Nuculana bellistriata by Hoare (1961); it was recombined as Polidevcia bellistriata by Ciriacks (1963), Murphy (1967), Yancey (1978), Kues (1991) and Kues et al. (2002).

Sister species lacking formal opinion data

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Synonymy list
YearName and author
1858Leda bellistriata Stevens p. 261
1915Leda bellistriata Girty pp. 122-125 figs. pl. 14 f. 1-9a
1922Leda bellistriata Morningstar pp. 204-205 figs. pl. 10 f. 27
1958Culunana bellistriata Lintz, Jr. p. 107
1961Nuculana bellistriata Hoare pp. 103-104 figs. pl. 13 f. 10
1963Polidevcia bellistriata Ciriacks p. 41 figs. Pl 4, figs 4-6
1967Polidevcia bellistriata Murphy pp. 1498 - 1499 figs. Pl. 195, fig. 3
1978Polidevcia bellistriata Yancey p. 332 figs. Pl 9, figs 10-13
1991Polidevcia bellistriata Kues p. 236 figs. 2.27-2.31
2002Polidevcia bellistriata Kues et al. p. 129 figs. 4N-P

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EubilateriaAx 1987
orderProtobranchiaPelseneer 1889
superorderNuculaniformiiCarter et al. 2000
orderNuculanida(Carter et al. 2000)
superfamilyNuculanoideaAdams and Adams 1858
familyNuculanidaeAdams and Adams 1858
genusPolidevcia(Tschernyschev 1943)

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.

B. S. Kues et al. 2002The beaks are high, narrow, strongly curved, and opisthogyrate, and although the specimens are crushed, remnants of a shallow escutcheon are preserved along the hingeline. The ornamentation is the distinctive pattern of step-ribs—narrow comarginal bands that are high dorsally but slope ventrally (Yancey, 1978)—that characterize the species. On weathered specimens the high margins of these bands tend to become isolated, giving the appearance of sharp, comarginal lirae.