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Cyphaspis dabrowni
Taxonomy
Otarion (Otarion) dabrowni was named by Chatterton (1971). Its type specimen is ANU 17838, a cephalon/head (cranidium), and it is a cast. Its type locality is Chatterton Loc. A, near Yass, NSW, which is in an Emsian marine lime mudstone/wackestone in the Taemas Formation of Australia.
It was recombined as Cyphaspis dabrowni by Adrain and Chatterton (1996).
It was recombined as Cyphaspis dabrowni by Adrain and Chatterton (1996).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Otarion (Otarion) dabrowni Chatterton p. 67 |
| 1996 | Cyphaspis dabrowni Adrain and Chatterton p. 105 figs. 2.9-2.18 |
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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.
†Cyphaspis dabrowni Chatterton 1971
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. M. Adrain and B. D. E. Chatterton 1996 | -Emended from Chatterton (1971, p. 67). Preglabellar field very short; glabella strongly inflated, with narrow smooth band around anterior base, directly above preglabellar furrow; L1 very small; librigenal field small in area; eye tall; genal trunk swollen and inflated; faint furrow and tubercle row on dorsal aspect of long genal spine; pygidium with typical three segments bearing transverse tubercle rows, often partially effaced posteriorly. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004 | |||||