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Hallipterus
Taxonomy
Hallipterus was named by Kjellesvig-Waering (1963) [Sepkoski's age data: D Fras Sepkoski's reference number: 360]. It is not extant. Its type is Hallipterus excelsior. It was considered monophyletic by Tetlie (2008).
It was assigned to Eurypterida by Sepkoski (2002); and to Hardieopteridae by Tetlie (2008), Dunlop et al. (2020).
It was assigned to Eurypterida by Sepkoski (2002); and to Hardieopteridae by Tetlie (2008), Dunlop et al. (2020).
Species
H. excelsior (syn. Dolichocephala lacoana, H. lacoanus) (type species)
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Dolichocephala Claypole |
| 1963 | Hallipterus Kjellesvig-Waering |
| 2002 | Hallipterus Sepkoski |
| 2008 | Hallipterus Tetlie |
| 2020 | Hallipterus Dunlop et al. p. 17 |
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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. †Hallipterus Kjellesvig-Waering 1963
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†Hallipterus excelsior Kjellesvig-Waering 1963
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Invalid names: Dolichocephala lacoana Claypole 1883 [synonym], Hallipterus lacoanus Kjellesvig-Waering 1963 [synonym]
Invalid names: Dolichocephala Claypole 1883 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O.E. Tetlie 2008 | Large hardieopterid with triangular carapace; ovolunate eyes in a central position; prominent orbital ridges surrounding eyes; median eyes on prominent, elongate ocellar ridge between eyes; pedipalp with flattened, foliate spines; carapace with ornament of large pustuled sculpture and large lunate sculpture largely parallel to carapace margin. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Aberhan et al. 2004 | |||||