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Elrathia longiceps

Trilobita - Ptychopariida - Alokistocaridae

Taxonomy
Elrathia longiceps was named by Resser (1938). It is not extant. Its type specimen is USNM 95036. Its type locality is Locality 37m, shale beds (Pend Oreille Lake), which is in a Cambrian carbonate shale/limestone in the Rennie Shale Formation of Idaho.

Sister species lacking formal opinion data
E. alaskensis, E. chuwansis, E. kindlei

Synonymy list
YearName and author
1938Elrathia longiceps Resser p. 8 figs. Pl. 1, fig. 50

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyAlokistocaridaeResser 1939
genusElrathiaWalcott 1924
specieslongiceps

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.

†Elrathia longiceps Resser 1938
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Diagnosis
No diagnoses are available