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Bathyurus (Raymondites) longispinus
Taxonomy
Bathyurus longispinus was named by Walcott (1876). Its type specimen is MCZ 107237, an exoskeleton (A nearly complete exoskeleton), and it is a 3D body fossil.
It was recombined as Raymondites longispinus by Whittington (1953); it was recombined as Bathyurus (Raymondites) longispinus by Swisher et al. (2015).
It was recombined as Raymondites longispinus by Whittington (1953); it was recombined as Bathyurus (Raymondites) longispinus by Swisher et al. (2015).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1876 | Bathyurus longispinus Walcott p. 94 |
1953 | Raymondites longispinus Whittington p. 625 figs. pl. 65, figs. 10, 14–16, 19, pl. 69, fig. 29. |
2015 | Bathyurus (Raymondites) longispinus Swisher et al. pp. 129 - 130 figs. 6.2–6.7, 7–9 |
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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.
†Bathyurus (Raymondites) longispinus Walcott 1876
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Diagnosis
Reference | Diagnosis | |
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R. E. Swisher et al. 2015 | Axial pygidial spine and occipital spine absent; array of large, pointed tubercles along posterior margin of LO. Faint anterior border furrow expressed on preocular area, defined most clearly by change in sculpture from tubercles on preocular field (often weak on external surface of exoskeleton; Fig. 7.3) to mostly terrace ridges on the border (e.g., Fig. 6.2). Anterior branches of facial sutures curved outwards, with maximum width of preocular area behind border furrow. Palpebral area of fixgena with sculpture of coarse terrace ridges. Pygidium transversely subelliptical in outline, length equal to approximately 45% of width. Only one well defined axial ring on external surface of axis (Fig. 8.4). |