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Longvillia norvegica
Taxonomy
Strophomena norvegica was named by Spjeldnaes (1957) [= Strophomena asmussi (Verneuil 1845 ) parte Holtedahl 1916 , pp. 51-52, pl. 8, figs. 1-6, non figs. 7-8 and pl. 9, fig. 2.
= cf. Strophomena asmussi (Verneuil 1845) Sokolskaja 1954 pp. 83-85, pl. 5, figs. 1-2, non figs. 3-4.]. Its type specimen is PMO 7117 and is a 3D body fossil. Its type locality is Bratterud, Lower Chasmops Shale, which is in a Haljala/Keila marine shale in the Arnestad Formation of Norway.
It was recombined as Longvillia norvegica by Candela and Harper (2014).
It was recombined as Longvillia norvegica by Candela and Harper (2014).
Subspecies
Synonymy list
Year | Name and author |
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1957 | Strophomena norvegica Spjeldnaes pp. 142 - 144 figs. Pl. 11, figs. 1-3, textfig. 33D, 35 |
2014 | Longvillia norvegica Candela and Harper pp. Supplement 1 |
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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.
†Longvillia norvegica Spjeldnaes 1957
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†Strophomena norvegica lata Williams 1962
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Diagnosis
Reference | Diagnosis | |
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N. Spjeldnaes 1957 | Slightly convex, thin-shelled Strophomena species, with very long, forked cardinal processes, curved socket plates parallel to the hinge-line, badly defined muscle impressions, ventral diductors flabellate, pseudodeltidium wedge-shaped, and with well differentiated sculpture. |