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Wronascolex spinosus
Taxonomy
Palaeoscolex spinosus was named by Ivantsov and Wrona (2004). Its type specimen is PIN 4349/851 and is not a trace fossil.
It was recombined as Wronascolex spinosus by García-Bellido et al. (2013).
It was recombined as Wronascolex spinosus by García-Bellido et al. (2013).
Synonymy list
Year | Name and author |
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2004 | Palaeoscolex spinosus Ivantsov and Wrona pp. 10-12 figs. text-figs 5, 6, 11B |
2013 | Wronascolex spinosus García-Bellido et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Wronascolex spinosus Ivantsov and Wrona 2004
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Diagnosis
Reference | Diagnosis | |
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A. Y. Ivantsov and R. Wrona 2004 | Cylindrical cuticle of worm with closely spaced annulation. Intercalations lacking. Annuli with one or two rows of plates widely arranged, and no platelets nor microplates. Plates vary in size and ornamentation, circular to oval-shaped, with strongly convex upper surface covered by 4-10 (usually 6) sharp cones, often protruding as spines arranged in circle or rows, sometimes also with a central node. Plates with spiny ornament are grouped on the ventral side of the trunk. |