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Archaeaspis macropleuron
Taxonomy
Archaeaspis macropleuron was named by Lieberman (2002). Its type specimen is LACMIP 7363, a partial skeleton (cephalon and partial thorax), 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.
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Archaeaspis macropleuron Lieberman pp. 703 - 704 figs. Figures 3.2, 3.4, 3.8, 4.1, 4.2 |
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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.
†Archaeaspis macropleuron Lieberman 2002
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. S. Lieberman 2002 | Preglabellar field short (sag.); anterior part of oc- ular lobe deflects strongly anteriorly near L3; anterior tips of vi- sual surfaces developed opposite adaxial part of S3; axial part of L0 with faint node; length (exsag.) of pleural spine on T3 roughly equal to length (sag.) of entire thorax; prominent anterolateral nodes on thoracic axis absent. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: Montezuman or 520.00000 to 515.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Montezuman | USA (California) | Archaeaspis macropleuron (196129 type locality: 196185 204250 204251) |