Dhanguura

Extinct genus of fish

Dhanguura
Temporal range: Early Devonian
PreꞒ
O
S
D
C
P
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J
K
Pg
N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Suborder: Brachythoraci
Genus: Dhanguura
Johnston, 1993
Species:
D. johnstoni
Binomial name
Dhanguura johnstoni
Johnston, 1993

Dhanguura is an extinct genus of arthrodire from the Early Devonian of Wee Jasper, NSW. It contains the single species D. johnstoni.[1]

Etymology

Dhanguura comes from the Aboriginal word "dhanguurr", meaning "fish", in the Wiradjuri tribe's language, because they inhabited the area, west of Wee Jasper. The species name, "johnstoni" is in honor of the discoverer of the genus, Dr. Paul Johnston, who found Dhanguura in 1993.[1]

Description

Dhanguura is known from fossilized remains of an incomplete skull, the nuchal plate 23 cm in length, and the entire headshield estimated at 40 cm.[1] According to the article cited, Dhanguura probably exceeded the contemporary Taemasosteus in size.[1]

Taxonomy

Dhanguura was thought to be a member of Homostiidae, according to Young, 2004, but a phylogenetic analyses by Zhu et al. 2015, does not support this, with Dhanguura now considered a basal brachythoracid.[2]

References

  1. ^ a b c d Young, G. C. (2004). "Large brachythoracid arthrodires (placoderm fishes) from the Early Devonian of Wee Jasper, New South Wales, Australia, with a discussion of basal brachythoracid characters". Journal of Vertebrate Paleontology. 24 (1): 1–17.
  2. ^ https://www.researchgate.net/publication/282940581_Redescription_of_Yinostius_major_Arthrodira_Heterostiidae_from_the_Lower_Devonian_of_China_and_the_interrelationships_of_Brachythoraci
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Gnathostomata
    • see Gnathostomata
Placodermi
    • see Placodermi
Arthrodira
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Wuttagoonaspidae
Phyllolepida
Phyllolepididae
Actinolepidae
Phlyctaeniidae
Arctolepididae
Groenlandaspididae
Williamsaspididae
  • Elvaspis
  • Williamsaspis
Holonematidae
Homostiidae
Migmatocephala
Buchanosteidae
Eubrachythoraci
    • see below↓
Kudjanowiaspis

Ailuracantha dorsofelis Dicksonosteus arctirus Cartieraspis

Groenlandaspis riniensis
Coccosteomorphi
Coccosteoidea
Coccosteidae
Panxiosteidae
Incisoscutoidea
Camuropiscidae
Pachyosteomorphi
Dunkleosteoidea
Heterosteidae
Aspinothoracidi
Brachydeiridae
Selenosteidae
Coccosteus cuspidatus Dunkleosteus terrelli Titanichthys termieri
Taxon identifiers
Dhanguura


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