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Dionide holdeni

Trilobita - Trinucleida - Dionididae

Taxonomy
Dionide holdoni was named by Raymond (1925).

It was corrected as Dionide holdeni by Cooper (1953).

Sister species lacking formal opinion data
D. euglypta, D. richardsoni

Synonyms
  • Dionide contrita was named by Raymond (1920). Its type specimen is MCZ 1591, a pygidium, and it is a 3D body fossil.

    It was synonymized subjectively with Dionide holdeni by Cooper (1953).
Synonymy list
YearName and author
1920Dionide contrita Raymond p. 28 figs. Pl. 6, fig. 9
1925Dionide holdoni Raymond pp. 27-28 figs. pl. 1 f. 17, not 16
1925Dionide contrita Raymond pp. 28 - 29 figs. Plate 6, fig. 9
1953Dionide holdeni Cooper pp. 10-11 figs. pl. 3 f. 3-7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderTrinucleida(Swinnerton 1915)
familyDionididaeGürich 1907
genusDionideBarrande 1847
speciesholdeni(Raymond 1925)

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.

†Dionide holdeni Raymond 1925
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Invalid names: Dionide contrita Raymond 1920 [synonym]
Diagnosis
No diagnoses are available