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Peronopsis (Svenax)
Taxonomy
Svenax was named by Opik (1979) [Sepkoski's age data: Cm uMid-m Cm uMid-u]. It is not extant.
It was reranked as Peronopsis (Svenax) by Naimark (2012).
It was assigned to Peronopsidae by Jell and Adrain (2002); to Agnostida by Sepkoski (2002); and to Peronopsis by Naimark (2012).
It was reranked as Peronopsis (Svenax) by Naimark (2012).
It was assigned to Peronopsidae by Jell and Adrain (2002); to Agnostida by Sepkoski (2002); and to Peronopsis by Naimark (2012).
Species lacking formal opinion data
Peronopsis columbiensis, Peronopsis crassa, Peronopsis cuneifera, Peronopsis evansi, Peronopsis extensa, Peronopsis falax, Peronopsis fallax, Peronopsis fallax, Peronopsis hartshillensis, Peronopsis insignis, Peronopsis interstricata, Peronopsis lata, Peronopsis liaotungensis, Peronopsis maria, Peronopsis mariae, Peronopsis matthewi, Peronopsis minor, Peronopsis minor, Peronopsis miqueli, Peronopsis montis, Peronopsis primigenea, Peronopsis quadrata, Peronopsis recta, Peronopsis sallesi, Peronopsis scutalis, Peronopsis scutalis, Peronopsis scutilis, Peronopsis sermenta, Peronopsis tenuis, Peronopsis tramitis, Peronopsis umbonata
Entered
by J. Sepkoski on 2003-01-23; modified by P. Wagner on 2025-04-17
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Svenax Opik |
| 2002 | Svenax Jell and Adrain |
| 2002 | Svenax Sepkoski |
| 2012 | Peronopsis (Svenax) Naimark pp. 998 - 999 |
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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.
Subg. †Peronopsis (Svenax) Opik 1979
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†Peronopsis (Svenax) egenus Jago 1976
†Peronopsis (Svenax) pusillus Tullberg 1880
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, superf = superfamily | |||||
| References: Robison 1994, Hendy 2009 | |||||
Age range: base of the Amgan to the top of the Ayusokkanian or 508.20000 to 497.00000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Branchian | United Kingdom (England) | Peronopsis inarmata (225240) | |
| Amgan | Russian Federation | Peronopsis egenus (225251) | |
| Menevian | Denmark (Bornholm) | Peronopsis pusilla (75946 75947) | |
| Menevian | Sweden (Scania) | Peronopsis pusilla (225186 225250) Svenax pusillus (179691) | |
| Undillan | Australia (Queensland) | Svenax pusillus (225222) | |
| Zhanaarykian | Kazakhstan | Svenax pusillus (9958) | |
| Ayusokkanian | Kazakhstan | Svenax pusillus (9950 118165) |