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Taxonomy
Promegalaspides was named by Westergård (1939) [Sepkoski's age data: Cm Fran-u Sepkoski's reference number: 81,459]. It is not extant. Its type is Promegalaspides kinnekullensis.
It was assigned to Promegalaspidinae by Hoel (1999); to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Promegalaspidinae by Hoel (1999); to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
P. (Borogothus), P. kinnekullensis (type species)
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by B. Kröger on 2017-12-13
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Promegalaspides Westergård |
| 1999 | Promegalaspides Hoel |
| 2002 | Promegalaspides Jell and Adrain p. 431 |
| 2002 | Promegalaspides Sepkoski |
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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. †Promegalaspides Westergård 1939
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Subg. †Promegalaspides (Borogothus) Tjernvik 1956
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†Promegalaspides (Borogothus) intactus Moberg and Segerberg 1906
†Promegalaspides (Borogothus) stenorachis Angelin 1851
†Promegalaspides kinnekullensis Westergard 1939
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Niuchehean to the top of the Lancefieldian or 491.00000 to 474.90000 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Furongian - Tremadocian | Russian Federation (Siberia) | P. sp. (205378) | |
| Taoyuanian | Russian Federation (Sakha) | P. pelturae (133610) | |
| Niuchehean | Russian Federation (Sakha) | P. kinnekullensis (133622 133623 133628) P. pelturae (133624) P. pelturae, P. kinnekullensis (133621) | |
| Tremadocian - Floian | Sweden (Västergötland) | Promegadaspides stenorachis (190976) | |
| Tremadocian - Floian | Sweden | P. sp. (3195) | |
| Tremadocian - Floian | Norway (Modum) | P. stenorachis (190923) | |
| Tremadocian - Floian | Norway (Eiker-Sandsvær) | P. stenorachis (190879 190880 190888 190974) | |
| Tremadoc | Sweden | P. intactus (3107) | |
| Lancefieldian | Norway (Ringsaker) | P. stenorachis (190983) | |
| Varangu | Sweden | P. intactus (172663) | |
| Varangu | Norway (Oslo) | P. intactus (3183) | |
| Hunneberg | Sweden | P. stenorhachis (3194) | |
| Arenig | Sweden | P. sp. (3196 3198 3199 3246 3249) | |
| Billingen | Sweden | P. stenorhachis (192718) |