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Ukrainaspis
Taxonomy
Ukrainaspis was named by Sansom (2009). Its type is Cephalaspis kozlowskii.
It was assigned to Zenaspididae by Sansom (2009); and to Scolenaspididae by Voichyshyn (2011).
It was assigned to Zenaspididae by Sansom (2009); and to Scolenaspididae by Voichyshyn (2011).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Heraspis Afanassieva p. 92–93 |
| 2009 | Ukrainaspis Sansom p. 111 |
| 2011 | Ukrainaspis Voichyshyn pp. 150 - 151 |
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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.
G. †Ukrainaspis Sansom 2009
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†Ukrainaspis kozlowskii Zych 1937
Invalid names: Heraspis Afanassieva 1991 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| V. Voichyshyn 2011 | Rather large−sized scolenaspidians (L ~100 mm). Shield is convex, rounded anteriorly, with insignificant curvature of lateral margins.Width of the shield exceeds its length. The prepineal part of the shield is a little shorter than the postpineal one. The cornual processes are not long, narrow. The ab− dominal division of the shield is comparatively wide, and has appreciable dorsomedial crest. The nasohypophyseal opening is key−hole in shape. The pineal plate is developed. The orbits are small. The dorsal field is elongated. Lateral fields are narrow enough, long, pulled together anteriorly, slightly ex− panded at the anterior ends and more appreciably at posterior ones. Surface of the shield is covered with small, convex tubercles. |
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Bambach et al. 2007, Carroll 1988, Kiessling 2004 | |||||
Age range: Lochkovian or 419.62000 to 413.02000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | Ukraine | Heraspis kozlowskii (239230) U. kozlowskii (239228 239229 239251) | |
| Lochkovian - Pragian | Ukraine | Cephalaspis kozlowskii (23447) | |
| Lochkovian - Eifelian | Ukraine (Ternopil) | U. kozlowskii (237769) |