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Hadrachne horribilis

Xiphosura - Xiphosurida - Architarbidae

Taxonomy
Hadrachne horribilis was named by Melander (1903). Its type specimen is FMNH 9232, an exoskeleton, and it is an impression. Its type locality is Braidwood, Mazon Creek (FMNH coll), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois. It is the type species of Hadrachne.

It was recombined as Architarbus horribilis by Petrunkevitch (1913).

Synonymy list
YearName and author
1903Hadrachne horribilis Melander p. 180 figs. Pl 5, fig 1; pl 7, fig 1
1913Architarbus horribilis Petrunkevitch p. 130 figs. Pl 12, fig 71; text-figs 83,84
1949Hadrachne horribilis Petrunkevitch p. 166
1953Hadrachne horribilis Petrunkevitch p. 51
2013Hadrachne horribilis Dunlop et al. p. 47

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumChelicerataHeymons 1901
EuchelicerataWeygoldt and Paulus 1979
Prosomapoda
RankNameAuthor
classXiphosura()
orderXiphosuridaLatreille 1802
Planaterga
Dekatriata
SclerophorataKamenz et al. 2011
classArachnidaLamarck 1801
orderPhalangiotarbida()
familyArchitarbidae
genusHadrachne
specieshorribilis

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.

Diagnosis
No diagnoses are available