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Paradoxides (Hydrocephalus) harlani
Taxonomy
Paradoxides harlani was named by Green (1834) [Middle Cambrian].
It was recombined as Paradoxides (Eoparadoxides) harlani by Solov''yev (1969); it was recombined as Acadoparadoxides harlani by Nobody (2000); it was recombined as Paradoxides (Acadoparadoxides) harlani by Geyer and Landing (2001); it was recombined as Paradoxides (Hydrocephalus) harlani by Fletcher et al. (2005); it was recombined as Hydrocephalus harlani by Garcia-Bellido et al. (2011).
It was recombined as Paradoxides (Eoparadoxides) harlani by Solov''yev (1969); it was recombined as Acadoparadoxides harlani by Nobody (2000); it was recombined as Paradoxides (Acadoparadoxides) harlani by Geyer and Landing (2001); it was recombined as Paradoxides (Hydrocephalus) harlani by Fletcher et al. (2005); it was recombined as Hydrocephalus harlani by Garcia-Bellido et al. (2011).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1834 | Paradoxides harlani Green p. 336 |
| 1969 | Paradoxides (Eoparadoxides) harlani Solov''yev figs. pl. 5, fig. 1 |
| 2000 | Acadoparadoxides harlani Nobody |
| 2001 | Paradoxides (Acadoparadoxides) harlani Geyer and Landing p. 124 figs. 5.1–5.3, 6.1–6.3, 6.8–6.10, 7.1–7.11, 8 |
| 2005 | Paradoxides (Hydrocephalus) harlani Fletcher et al. |
| 2011 | Hydrocephalus harlani Garcia-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.
†Paradoxides (Hydrocephalus) harlani Green 1834
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. P. Fletcher et al. 2005 | Exoskeleton narrow (Fig. 6.1) or broad (Fig. 6.4), up to 27 cm long; glabella with an evenly rounded anterior margin; palpebral lobes medium-sized; genal spines long, extending posteriorly as far as the tenth thoracic segment; thorax of 17 or 18 segments of which the last four pleural spines commonly extend beyond the posterior pygidial margin and gradually decrease in length; pygidium subcircular, subquadrate, with one well-defined ring on a relatively long, bluntly pointed, triangulate axis |
Measurements
No measurements are available
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| Source: g = genus, f = family, superf = superfamily, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009, Fortey and Owens 1999 | |||||