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Cheiracanthus (from Gr****: χείρ kheír, 'hand' and Gr****: ἄκανθα akantha, 'spine') is an
extinct genus of a
group of fish
called Acanthodii (or "spiny...
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Various acanthodians, from top left clockwise:
Cheiracanthus, Acanthodes, Climatius, Ischnacanthus, Parexus, Gyracanthus. center: Diplacanthus....
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Alvarez Garcia, 2015
Heterophrynus cervinus Po****, 1894
Heterophrynus cheiracanthus (Gervais, 1842), type
species Heterophrynus elaphus Po****, 1903 Heterophrynus...
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Genus Utahacanthus?
Genus Triazeugacanthus Family Cheiracanthidae Genus Cheiracanthus Genus Fallodentus Genus Ginkgolepis Genus Haplacanthus Genus Homalacanthus...
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belonging to the
order Spirurida. Genera:
Ancyracanthus Diesing, 1839
Cheiracanthus Diesing, 1839
Echinocephalus Molin, 1858
Gnathostoma Owen, 1836 Mooleptus...
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Atholville Beds. Fin spines. A
possible gyracanthid,
formerly known as
Gyracanthus incurvus.
Cheiracanthus? C.?
costellatus Mesacanthus M. semistriatus...
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redescription of the
three longest-known
species of the
acanthodian Cheiracanthus from the
Middle Devonian of Scotland".
Palaeontologia Electronica. 23...
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Novelty Status Authors Age Unit
Location Notes Images Cheiracanthus flabellicostatus Sp. nov
Valid Pinakhina Middle Devonian Russia United Kingdom...
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species as a
maxillate placoderm close to Qilinyu. New body
fossils of
Cheiracanthus intricatus,
including the
first known articulated specimen of this species...
