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Coosella helena

Trilobita - Ptychopariida - Marjumiidae

Taxonomy
Coosella helena was named by Lochman (1938).

Sister species lacking formal opinion data
C. convexa, C. granulosa, C. vulgaris, C. widnerensis

Synonymy list
YearName and author
1938Coosella helena Lochman

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyMarjumiidaeKobayashi 1935
genusCoosellaLochman 1936
specieshelenaLochman 1938

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.

†Coosella helena Lochman 1938
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Diagnosis
No diagnoses are available