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Wacrinus
Taxonomy
Wacrinus was named by Jell and Jell (1999). Its type is Wacrinus caseyensis.
It was assigned to Hexacrinitidae by Jell and Jell (1999).
It was assigned to Hexacrinitidae by Jell and Jell (1999).
Species
W. caseyensis (type species), W. millardensis
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Wacrinus Jell and Jell p. 209 |
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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. †Wacrinus Jell and Jell 1999
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†Wacrinus caseyensis Jell and Jell 1999
†Wacrinus millardensis Jell and Jell 1999
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. A. Jell and J. S. Jell 1999 | First primibrach axillary. Fixed arms not forming protrubcrant brachial lobes but first free ami plates directed outward. Anal opening through tegmen in C ambulacra! scries of small plates; no anal tube developed. Tegmen plating usually strongly differentiated, with a single large interambulacral in each interray except CD where a number of smaller plates are present, with many ambulacra! plates of varying sizes, with 5 orals at intersection of ambulacra! tracts. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Middle Famennian or 368.50000 to 365.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Famennian | Australia (Western Australia) | W. caseyensis, W. millardensis (38990) |