Gyracanthides hawkinsi sp nov (Acanthodii, Gyracanthidae) from the Lower Carboniferous of Queensland, Australia, with a review of gyracanthid taxa

Turner, Susan, Burrow, Carole J. and Warren, Anne (2005) Gyracanthides hawkinsi sp nov (Acanthodii, Gyracanthidae) from the Lower Carboniferous of Queensland, Australia, with a review of gyracanthid taxa. Palaeontology, 48 5: 963-1006. doi:10.1111/j.1475-4983.2005.00479.x


Author Turner, Susan
Burrow, Carole J.
Warren, Anne
Title Gyracanthides hawkinsi sp nov (Acanthodii, Gyracanthidae) from the Lower Carboniferous of Queensland, Australia, with a review of gyracanthid taxa
Journal name Palaeontology   Check publisher's open access policy
ISSN 0031-0239
Publication date 2005-01-01
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1111/j.1475-4983.2005.00479.x
Volume 48
Issue 5
Start page 963
End page 1006
Total pages 44
Editor D. J. Batten
Place of publication UK
Publisher Blackwell Publishing
Collection year 2005
Language eng
Subject C1
270501 Animal Systematics, Taxonomy and Phylogeny
780105 Biological sciences
Abstract A new species of Gyracanthides from the mid-Visean Ducabrook Formation of Middle Paddock site, near Springsure in the Drummond Basin, central Queensland, is based on isolated three-dimensionally preserved elements. The specimens comprise paired and unpaired spines and pectoral girdle elements, procoracoids and scapulocoracoids, and include growth series. The morphology, especially of the shoulder girdle bones and the form and tubercular ornamentation of the paired fin spines, is used to distinguish the new taxon. These characters also help differentiate the numerous described gyracanthid species. Aspects of palaeobiology including possible sexual dimorphism are explored. A hypothetical reconstruction of the fish is based on our interpretation of the articulation of isolated elements combined with examination of wear patterns on fin spines. Gyracanthides hawkinsi sp. nov. is compared with other Australian taxa as well as with gyracanthids from North America, Europe, Russia, Iran, Africa and Antarctica, some of which are tentatively reassigned here to the Gondwanan genus Gyracanthides.
Keyword Mississippian
Visean
Acanthodii
Gyracanthid
Fin Spines
Shoulder Girdle
Paleontology
Vertebrates
Evolution
Tetrapod
Africa
Q-Index Code C1

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collection: School of Agriculture and Food Sciences
 
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