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Wanneria walcottana buenaensis
Taxonomy
Wanneria walcottana buenaensis was named by Cooper et al. (1952). Its type specimen is U.S.N.M. No.115695, a cephalon/head, and it is a mold.
Synonymy list
Year | Name and author |
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1952 | Wanneria walcottana buenaensis Cooper et al. pp. 98-99 figs. 1-6 |
1952 | Wanneria walcottana buenaensis Lochman pp. 98-99 figs. 1-6 |
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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.
†Wanneria walcottana buenaensis Cooper et al. 1952
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Diagnosis
Reference | Diagnosis | |
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C. Lochman 1952 | The holotype of this variety is a cephalon 24mm. in length, and though not complete, does permit specific determination. It is most interesting to find the occurrence of this variety of the common Appalachian species in the Cordillerantrough. It agrees with Wanneria walcottana (Wanner) and differs from all other described species in the following features: (i) A regular and smooth expansion of the anterior lobe of the glabella; (2) the presence of a row of pits along the inner edge of the border; (3) the eyes and palpebral lobes reaching just to the center of the fourth glabellar lobe; (4) an occipital node rather than spine; (5) a very small intergenal spine, apparently aborted in large adults; (6) a medium-sized genal spine. |
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Hendy et al. 2009, Aberhan et al. 2004 |
Collections
No collection or age range data are available