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Semionotus elegans
Taxonomy
Ischypterus elegans was named by Newberry (1888).
It was recombined as Semionotus elegans by Hay (1902), Rapp (1946), Friedman et al. (2010), López-Arbarello (2012).
It was recombined as Semionotus elegans by Hay (1902), Rapp (1946), Friedman et al. (2010), López-Arbarello (2012).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1888 | Ischypterus elegans Newberry |
| 1888 | Ischypterus lenticularis Newberry |
| 1888 | Ischypterus modestus Newberry |
| 1902 | Semionotus elegans Hay p. 375 |
| 1902 | Semionotus lenticularis Hay p. 375 |
| 1902 | Semionotus modestus Hay p. 376 |
| 1946 | Semionotus elegans Rapp p. 511 |
| 1946 | Semionotus lenticularis Rapp p. 511 |
| 1946 | Semionotus modestus Rapp p. 511 |
| 2010 | Semionotus elegans Friedman et al. p. S32 |
| 2012 | Semionotus elegans López-Arbarello p. 5 |
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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.
†Semionotus elegans Newberry 1888
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Invalid names: Semionotus lenticularis Newberry 1888 [synonym], Semionotus modestus Newberry 1888 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: Sinemurian or 199.50000 to 192.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sinemurian | USA (New Jersey) | Semionotus lenticularis, Semionotus modestus (187288) |