Alalcomenaeus

Alalcomenaeus
Temporal range: Cambrian Stage 3–Mid Cambrian
Fossil holotype
Life restoration
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Megacheira
Order: †Leanchoilida
Family: †Leanchoiliidae
Simonetta & Delle Cave, 1975
Genus: †Alalcomenaeus
Simonetta, 1970
Species:
†A. cambricus
Binomial name
†Alalcomenaeus cambricus
Simonetta, 1970

Alalcomenaeus is one of the most widespread and longest-surviving arthropod genera of the Early and Middle Cambrian.[1] Known from over 300 specimens in the Burgess Shale and the Chengjiang biota. It is a member of the family Leanchoiliidae[2] in the group Megacheira.

  1. ^ Cite error: The named reference Briggs1999 was invoked but never defined (see the help page).
  2. ^ Georg Brenneis (2022). "The visual pathway in sea spiders (Pycnogonida) displays a simple serial layout with similarities to the median eye pathway in horseshoe crabs". BMC Biology. 20 (1): 27. doi:10.1186/s12915-021-01212-z. PMC 8796508. PMID 35086529.