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Sanctaspis avemaria
Taxonomy
Sanctaspis avemaria was named by McMenamin (2001) [The specimens were collectedat the Fallotaspis 'localityof Nelson (1976; his Fallotaspis locality #13 on his unpublished map of the area) as sample 2 of 6/16/84.]. Its type specimen is IGM 7457, a cephalon/head, and it is a 3D body fossil. Its type locality is UCLA loc. 6748, which is in a Montezuman marine horizon in the Campito Formation of California. It is the type species of Sanctaspis.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Sanctaspis avemaria McMenamin p. 116 figs. Figures 7.2-7.4 |
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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.
†Sanctaspis avemaria McMenamin 2001
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. S. McMenamin 2001 | As for genus. [A nevadioid trilobite with relatively narrow cephalon, narrow extraocular region, an advanced genal spine, prominent occipital spine, straight-sided to slightly concave glabella, and thin ocular lobes that reach back posteriorly to LO [occiptal ring].] |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009 | |||||
Age range: Montezuman or 520.00000 to 515.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Montezuman | USA (California) | Sanctaspis avemaria (type locality: 196185) |