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Gravicalymene quadrilobata

Trilobita - Phacopida - Calymenidae

Taxonomy
Gravicalymene quadrilobata was named by Chatterton (1971). Its type specimen is ANU 17844, a cephalon/head (cranidium), and it is a cast. Its type locality is Chatterton Loc. C, near Yass, which is in an Emsian marine limestone in the Taemas Formation of Australia.

It was recombined as Apocalymene quadrilobata by Chatterton and Campbell (1980).

Sister species lacking formal opinion data
G. blumenbachi, G. praecox

Synonymy list
YearName and author
1971Gravicalymene quadrilobata Chatterton p. 78 figs. Pl. 20 fig. 24-25
1980Apocalymene quadrilobata Chatterton and Campbell
2020Gravicalymene quadrilobata Smith and Ebach p. 497

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyCalymenidaeMilne-Edwards 1840
genusGravicalymene
speciesquadrilobata

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.

†Gravicalymene quadrilobata Chatterton 1971
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Diagnosis
No diagnoses are available