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Drepanochites
Taxonomy
Drepanochites is a genus. It is not extant.
It was assigned to Sachitida by Sepkoski (2002); to Halwaxida by Conway Morris and Caron (2007); and to Siphogonuchitidae by Parkhaev and Demidenko (2010).
It was assigned to Sachitida by Sepkoski (2002); to Halwaxida by Conway Morris and Caron (2007); and to Siphogonuchitidae by Parkhaev and Demidenko (2010).
Species
Synonyms
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Synonymy list
Year | Name and author |
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1980 | Drepanochites deminatus Jiang figs. Pl. 3, fig. 9 |
2002 | Drepanochites Sepkoski |
2007 | Drepanochites Conway Morris and Caron p. 1258 |
2010 | Drepanochites Parkhaev and Demidenko p. 969 |
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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. †Drepanochites
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†Drepanochites dilatatus Luo et al. 1982
Invalid names: Drepanochites deminatus Jiang 1980 [nomen nudum]
Diagnosis
Reference | Diagnosis | |
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P. Y. Parkhaev and Y. Demidenko 2010 | "Hollow, wide, asymmetrical sclerites curved in crescent-like manner (especially in its middle part), with sharpen lateral sides. Sclerites narrow distally. One longitudinal fold runs along wide upper and sometimes along lower surfaces of sclerite. Fold divides upper surface of sclerite on two parts, i.e., one convex and another one concave. Sclerites externally smooth or bear indistinct transversal striation. Cros-section of sclerite in its proximal part rhomboidal or rounded rhomboidal. Distal end blind, rounded or pointed." |