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Megalograptus
Taxonomy
Megalograptus was named by Miller (1874) [Sepkoski's age data: O Cara O Ashg-m Sepkoski's reference number: 360]. It is not extant. It is the type genus of Megalograptidae, Megalograptoidea.
It was assigned to Eurypterida by Sepkoski (2002); and to Megalograptidae by Størmer (1955) and Dunlop et al. (2020).
It was assigned to Eurypterida by Sepkoski (2002); and to Megalograptidae by Størmer (1955) and Dunlop et al. (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1874 | Megalograptus Miller |
| 1955 | Megalograptus Størmer p. 36 |
| 2002 | Megalograptus Sepkoski |
| 2020 | Megalograptus Dunlop et al. p. 21 |
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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. †Megalograptus Miller 1874
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†Megalograptus alveolatus Shuler 1915
†Megalograptus ohioensis Caster and Kjellesvig-Waering 1964
†Megalograptus shideleri Caster and Kjellesvig-Waering 1964
†Megalograptus welchi Miller 1874
†Megalograptus williamsae Caster and Kjellesvig-Waering 1964
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Aberhan et al. 2004 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | USA (Virginia) | M. alveolatus (204960) | |
| Katian | USA (Ohio) | M. ohioensis (204962) M. shideleri (204963) M. welchi (204994) M. williamsae (204993) | |
| Edenian | USA (Pennsylvania) | M. sp. (34895) | |
| Richmondian - Ashgill | USA (Ohio) | M. sp. (392 393) |