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Alalcomenaeus
Taxonomy
Alalcomenaeus was named by Simonetta (1970) [Sepkoski's age data: Cm Atda-u Cm uMid-l Sepkoski's reference number: 778,883]. Its type is Alalcomenaeus cambricus.
It was assigned to Arthropoda by Sepkoski (2002); to Arachnomorpha by Briggs et al. (2008); and to Leanchoiliidae by Lan et al. (2021).
It was assigned to Arthropoda by Sepkoski (2002); to Arachnomorpha by Briggs et al. (2008); and to Leanchoiliidae by Lan et al. (2021).
Species
A. cambricus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Alalcomenaeus Simonetta |
| 2002 | Alalcomenaeus Sepkoski |
| 2008 | Alalcomenaeus Briggs et al. p. 243 |
| 2021 | Alalcomenaeus Lan et al. p. 4401 figs. 1, 2, 3B-C |
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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
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: base of the Middle Cambrian to the top of the Delamaran or 509.00000 to 506.50000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Delamaran | Canada (British Columbia) | A. cambricus (84418 84422 84424 84425 84426 84427 84428 84431 121959) | |
| Middle Cambrian | Canada (Brithish Columbia) | A. sp. (188659 188662) |