- Chasmataspidids,
sometime referred to as
chasmataspids, are a
group of
extinct chelicerate arthropods that form the
order Chasmataspidida. Chasmataspidids...
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horseshoe crab-like
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Loganamaraspis dunlopi gen. et sp. nov. (Chelicerata: Chasmataspidida)...
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Middle Ordovician of Tennessee, USA, with
remarks on
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Earth and
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Middle Ordovician of Tennessee, USA, with
remarks on
chasmataspid phylogeny".
Earth and
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- Dunlop,
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Lyall I. (2000-11-01). "A
Middle Devonian chasmataspid arthropod from
Achanarras Quarry, Caithness, Scotland".
Scottish Journal...
- 2021. Tetlie, O. Erik; Braddy,
Simon J. (2003). "The
first Silurian chasmataspid,
Loganamaraspis dunlopi gen. et sp. nov. (Chelicerata: Chasmataspidida)...
- Dunlop,
Jason A.; Anderson,
Lyall I.; Braddy,
Simon J. (1999). "A new
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