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Hibbertopterus
Taxonomy
Hibbertopterus was named by Kjellesvig-Waering (1959) [Sepkoski's age data: C Vise C Serp Sepkoski's reference number: 360]. It is not extant. Its type is Hibbertopterus scouleri. It is the type genus of Hibbertopteridae.
It was assigned to Eurypterida by Sepkoski (2002); and to Hibbertopteridae by Kjellesvig-Waering (1959), Lamsdell et al. (2010), Dunlop et al. (2020), Braddy et al. (2023).
It was assigned to Eurypterida by Sepkoski (2002); and to Hibbertopteridae by Kjellesvig-Waering (1959), Lamsdell et al. (2010), Dunlop et al. (2020), Braddy et al. (2023).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Hibbertopterus Kjellesvig-Waering |
| 1968 | Dunsopterus Waterston |
| 1968 | Vernonopterus Waterston |
| 2002 | Dunsopterus Sepkoski |
| 2002 | Hibbertopterus Sepkoski |
| 2010 | Dunsopterus Lamsdell et al. |
| 2010 | Hibbertopterus Lamsdell et al. |
| 2010 | Vernonopterus Lamsdell et al. |
| 2020 | Dunsopterus Dunlop et al. p. 19 |
| 2020 | Hibbertopterus Dunlop et al. p. 19 |
| 2020 | Vernonopterus Dunlop et al. p. 19 |
| 2023 | Hibbertopterus Braddy et al. |
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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. †Hibbertopterus Kjellesvig-Waering 1959
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†Hibbertopterus hibernicus Baily 1870
†Hibbertopterus lamsdelli Braddy et al. 2023
†Hibbertopterus minisculptus Waterston 1968
†Hibbertopterus scouleri Hibbert 1831
†Hibbertopterus stevensoni Waterston 1968
Invalid names: Dunsopterus Waterston 1968 [objective synonym], Vernonopterus Waterston 1968 [objective synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S.J. Braddy et al. 2023 | Broad semicircular
carapace (no anterior process) with angular genal lobes. Centrally located arcuate eyes with narrow visual area, surrounded by orbital ridges (annular thickened cuticle). Anterior appendages with broad spines (blades) with sensory setae, more closely spaced distally. Walking legs with Laden (but not longitudinal posterior grooves on the podomeres). Cleft metastoma. Telson hastate, with straight lateral margins and paired ventral keels. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Famennian to the top of the Kasimovian or 365.20000 to 303.70000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Famennian | Ireland | Pterygotus hibernicus (32230) | |
| Visean | United Kingdom (Scotland) | H. scouleri (174420) | |
| Westphalian B - Westphalian C | United Kingdom (Scotland) | Vernonopterus minutisculptis (232427) | |
| Kasimovian | USA (New Mexico) | H. lamsdelli (225089) |