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Tolypelepidida is an
extinct order of
heterostracan vertebrates.
These armored jawless fish
superficially resemble their relatives, the cyathaspids, though...
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appears to be polyphyletic.
Phylogenetic analyses suggest that the
tolypelepidid genera,
including Athenaegis, Asketaspis, and in particular, Tolypelepis...
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other groups,
namely the
tolypelepidids, the
similarity suggests a
close relationship. The type
genus of the
tolypelepidids, Tolypelepis, in particular...
- doi:10.19615/j.cnki.1000-3118.2015.02.002.
Marek Dec (2015). "A new
Tolypelepidid (Agnatha, Heterostraci) from the Late
Silurian of Poland".
Journal of...
