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Brachyopterus
Taxonomy
Brachyopterus was named by Stormer (1951) [Sepkoski's age data: O Cara-l Sepkoski's reference number: 360,1066]. It is not extant. It is the type genus of Brachyopteridae.
It was assigned to Stylonuridae by Størmer (1955); to Eurypterida by Sepkoski (2002); to Rhenopteridae by Lamsdell et al. (2010), Dunlop et al. (2020); and to Brachyopteridae by Lamsdell (2025).
It was assigned to Stylonuridae by Størmer (1955); to Eurypterida by Sepkoski (2002); to Rhenopteridae by Lamsdell et al. (2010), Dunlop et al. (2020); and to Brachyopteridae by Lamsdell (2025).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Brachyopterus Stormer |
| 1955 | Brachyopterus Størmer p. 37 |
| 2002 | Brachyopterus Sepkoski |
| 2010 | Brachyopterus Lamsdell et al. |
| 2020 | Brachyopterus Dunlop et al. p. 17 |
| 2025 | Brachyopterus Lamsdell |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. C. Lamsdell 2025 | Brachyopteridae with turbinate prosomal carapace; prosomal ventral plates of Brachyopterella type; lateral eyes crescentic, positioned centrimesially on carapace; median eyes positioned on anterior third of carapace; prosomal appendages II–IV spiniferous ridged Rhenopterus type, appendages V–VI nonspiniferous unornamented Brachyopterella type; metastoma unknown; telson lanceolate (after Kjellesvig-Waering, 1966). |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Aberhan et al. 2004 | |||||