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Murraypneustes
Taxonomy
Murraypneustes was named by Holmes et al. (2005). Its type is Murraypneustes biannulatus.
It was assigned to Spatangoida by Holmes et al. (2005).
It was assigned to Spatangoida by Holmes et al. (2005).
Species
M. biannulatus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Murraypneustes Holmes et al. p. 92 |
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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.
G. †Murraypneustes Holmes et al. 2005
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†Murraypneustes biannulatus Holmes et al. 2005
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. C. Holmes et al. 2005 | Large ovoid spatangoid with centrally depressed adapical surface, apex well posterior of centre. Apical system ethmolytic with 4 gonopores. Aboral primary tubercles of 2 distinct sizes, small and randomly spaced, the larger proximal to the ambitus. Labrum long, narrow, partially tuberculate, extending to third ambulacral plate. Two ‘peripetalous’ fascioles present; one marginal, passing above the periproct (pseudolateral); the second, rudimentary, non re-entrant and clear of the distal ends of paired petals. Intermittent horizontal fasciole bands also occur between the 2 ‘peripetalous’ fascioles. Subanal fasciole in contact with marginal periproct. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||