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Stethacanthus information


Stethacanthus
Temporal range: 382.7–298.9 Ma
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
Late Devonian to Late Carboniferous
Restoration of S. altonensis and S. productus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Symmoriiformes
Family: Stethacanthidae
Genus: Stethacanthus
Newberry, 1889
Type species
Stethacanthus altonensis
St. John and Worthen, 1875[5]
Other species
  • S. concavus Ginter, 2018[1]
  • S. gansuensis Wang et al., 2004[2]
  • S. neilsoni
  • S. praecursor Hussakof & Bryant, 1918[3]
  • S. resistens
  • S. thomasi
  • S. productus Newberry, 1897[4]
Synonyms
  • Symmorium reniforme? Cope, 1893

Stethacanthus is an extinct genus of shark-like holocephalians[6] which lived from the Late Devonian to Late Carboniferous epoch, dying out around 298.9 million years ago. Fossils have been found in Australia, Asia, Europe and North America.

  1. ^ Michał Ginter (2018). "Symmoriiform sharks from the Pennsylvanian of Nebraska". Acta Geologica Polonica. 68 (3): 391–401. doi:10.1515/agp-2018-0009 (inactive 31 January 2024).{{cite journal}}: CS1 maint: DOI inactive as of January 2024 (link)
  2. ^ "Fossilworks: Stethacanthus gansuensis".
  3. ^ "Fossilworks: Stethacanthus praecursor".
  4. ^ "Fossilworks: Stethacanthus productus".
  5. ^ "Fossilworks: Stethacanthus altonensis".
  6. ^ Coates, M., Gess, R., Finarelli, J., Criswell, K., Tietjen, K. 2016. A symmoriiform chondrichthyan braincase and the origin of chimaeroid fishes. Nature. doi: 10.1038/nature20806

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Stethacanthus

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"Fossilworks: Stethacanthus gansuensis". "Fossilworks: Stethacanthus praecursor". "Fossilworks: Stethacanthus productus". "Fossilworks: Stethacanthus altonensis"...

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Carboniferous

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bizarre shapes including Stethacanthus which possessed a flat brush-like dorsal fin with a patch of denticles on its top. Stethacanthus's unusual fin may have...

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Fish fin

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such as in †Hybodontiformes, †Ctenacanthiformes or †Xenacanthida. In †Stethacanthus, the first dorsal fin spine was modified, forming a spine-brush complex...

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Stethacanthidae

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spine, dentition teeth, and dermal denticles of these sharks. The genus Stethacanthus was established by Newberry (1889) for a series of large thin walled...

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Akmonistion

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of unknown function. This is also found in the better known genus Stethacanthus. Remains have only been found near Bearsden in Scotland. The genus name...

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Cladoselache

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a small group of bizarre chondrichthyans such as the bristle-spined Stethacanthus. Cladoselache and symmoriiforms may be more closely related to chimaeras...

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Falcatus

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Two Stethacanthus species, S. altonensis and S. productus, lived alongside Falcatus...

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Paleoworld season 4

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explores prehistoric sharks and their relatives. Animals rhizodont Stethacanthus Falcatus Cretoxyrhina mosasaurs megalodon 2 "The Loch Ness Secret" This...

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Timeline of fish evolution

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genera Ctenodus, Uronemus, Acanthodes, Cheirodus, and Gyracanthus. Stethacanthus As a result of the evolutionary radiation, carboniferous cartilaginous...

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Cladodont

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arranged tail-first where the shark's stomach should be. Around this time, Stethacanthus also begins to appear in the fossil record. Also a cladodont, it survived...

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Symmoriiformes

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Symmoriiformes. Cladoselache fyleri Falcatus falcatus Ferromirum oukherbouchi Stethacanthus productus Akmonistion zangerli Maghriboselache mohamezanei Coates M...

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Walking with Monsters

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are instead preyed upon by large predatory fish, such as the shark Stethacanthus and the two-ton giant Hyneria. 2 "Reptile's Beginnings" 300/280 mya...

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Symmorium

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Petalodus. Symmorium bears close similarity in size and appearance to Stethacanthus but the former is missing the "spine and brush" on its back. Some paleontologists...

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Cladodus

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2-90 mm in length. This species was considered as a junior synonym of Stethacanthus obtusus by Lebedev (1996) but later reassigned to Cladodus due to a...

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List of prehistoric cartilaginous fish genera

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1985 †Stethacanthus Newberry, 1889 †Stethacanthus altonensis St. John & Worthen, 1875 †Stethacanthus gansuensis Wang, Jin & Wang, 2004 †Stethacanthus neilsoni...

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Timeline of Carboniferous research

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described the new genus Eryops. 1889 Newberry described the new genus Stethacanthus. 1899 Karpinsky described the new genus Helicoprion. Jeram described...

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List of the prehistoric life of Iowa

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†Spirifer †Spirifer louisianensis †Spiriferina Spirorbis †Spyroceras †Stethacanthus †Streptognathodus †Strophomena †Strophomena costata †Strophomena erratica...

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List of the Paleozoic life of Michigan

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†Stereotoechus †Stereotoechus typicus – or unidentified comparable form †StethacanthusStethacanthus depressus †Stictoporina †Stictoporina granulifera †Stigmaria...

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List of the prehistoric life of Michigan

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related form or using admittedly obsolete nomenclature †Spyroceras †Stethacanthus †Stigmaria †Stigmatella †Strophomena †Strophomena alpenensis †Strophomena...

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2018 in paleoichthyology

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et al. Late Cretaceous (Cenomanian and Turonian) Haycock  Australia Stethacanthus concavus Sp. nov Valid Ginter Carboniferous (Gzhelian) Indian Cave  United...

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Cleveland Shale

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hydei Monocladodus M. sp. Orodus O. spp. (x3) Phoebodus P. politus Stethacanthus S. altonensis S. carinatus Tamiobatis T. vetustus T. cf. T. vetustus...

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List of the prehistoric life of Montana

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†Spirifer welleri – tentative report †Spiriferina Spirorbis †StethacanthusStethacanthus altonensis †Syringopora †Tornoceras †Tylonautilus †Westergaardodina...

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List of the prehistoric life of Indiana

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plurifoliatum †Sphenopteris †Spirifer Spirorbis †Spyroceras †StethacanthusStethacanthus altonensis †Stigmaria †Stigmatella †Strophomena †Strophomena...

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List of the prehistoric life of Illinois

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or unidentified comparable form †Sphenopteris †Stearoceras †StethacanthusStethacanthus altonensis †Stigmaria †Strophomena †Symmorium – type locality...

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Timeline of Devonian research

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the new genus Eusthenopteron. 1889 Newberry described the new genus Stethacanthus. 1894 Dean described the new genus Cladoselache. 1932 Säve-Söderbergh...

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List of the prehistoric life of Ohio

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†Sphenothallus †Spirifer †Spirifer opimus Spirorbis †Spyroceras †Stegops †StethacanthusStethacanthus altonensis †Stigmatella †Strophomena †Strophomena concordensis...

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List of the Paleozoic life of Indiana

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locality for species †Stethacanthulus meccaensis †StethacanthusStethacanthus altonensis †Stethacanthus longipeniculus – type locality for species †Stictoporina...

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List of the prehistoric life of Texas

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for genus †Stereophallodon ciscoensis – type locality for species †Stethacanthus †Strepsodiscus †Strophomena †Strophomena neglecta †Syringopora – tentative...

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List of the Paleozoic life of Iowa

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†Stereostylus aages – type locality for species †StethacanthusStethacanthus depressus †Stethacanthus erectus †Stictopora †Stictostroma †Stictostroma...

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