Helenodora

Helenodora is an extinct basal onychophoran or lobopodian[2] genus known from the Carboniferous Carbondale Formation of Illinois.[3][2] The only known species described is H. inopinata. The ecology of this animal is not well known, but it is thought that it may have lived on land and/or underwater.[2]

Restoration of H. inopinata

Helenodora
Temporal range: Pennsylvanian
~
Fossil
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Onychophora
Family: †Helenodoridae
Poinar, 2000
Genus: †Helenodora
Thompson and Jones, 1980
Species:
†H. inopinata
Binomial name
†Helenodora inopinata
Thompson and Jones, 1980[1]

References
  1. Thompson, I.; Jones, D. S. (May 1980). "A Possible Onychophoran from the Middle Pennsylvanian Mazon Creek Beds of Northern Illinois" (PDF). Journal of Paleontology. 54 (3): 588–596. Bibcode:1974JPal...48..524M. JSTOR 1304204.
  2. Murdock, D. J. E.; Gabbott, S. E.; Purnell, M. A. (2016). "The impact of taphonomic data on phylogenetic resolution: Helenodora inopinata (Carboniferous, Mazon Creek Lagerstätte) and the onychophoran stem lineage". BMC Evolutionary Biology. 16 (19): 19. doi:10.1186/s12862-016-0582-7. PMC 4722706. PMID 26801389.
  3. Poinar, G. (6 September 1996). "Fossil Velvet Worms in Baltic and Dominican Amber: Onychophoran Evolution and Biogeography". Science. 273 (5280): 1370–1371. Bibcode:1996Sci...273.1370P. doi:10.1126/science.273.5280.1370. S2CID 85373762.


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