| Basic info | Taxonomic history | Classification | Included Taxa |
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Taxonomy
Proetus postromanowskyi was named by Ivanova (1991) [‘Proetus’ postromanowskyi]. Its type specimen is MGCU 5/814, a cephalon/head (cranidium), and it is a 3D body fossil.
It was recombined as Lacunoporaspis postromanowskyi by Ivanova et al. (2009).
It was recombined as Lacunoporaspis postromanowskyi by Ivanova et al. (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Proetus postromanowskyi Ivanova p. 130, figs. pl. 1, figs. 9, 10 |
| 2009 | Lacunoporaspis postromanowskyi Ivanova et al. pp. 719 - 721 figs. 7(1-4) |
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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.
†Lacunoporaspis postromanowskyi Ivanova 1991
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. Ivanova et al. 2009 | Lacunoporaspis with elongated, pointed glabella 65% as wide across base of L1 as long (sag.); short (sag.) preglabellar field a little over 50% sagittal width of anterior border; palpebral lobe 25-30% length of glabella; pygidium with well-defined border, eight axial rings and six pairs of pleural ribs; surface of glabella finely granulose. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Ludfordian or 425.00000 to 422.70000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludfordian | Uzbekistan | Lacunoporaspis postromanowskyi (216472 216476 216477) |