Helenodora

Helenodora inopinata is an extinct genus of onychophoran known from the Carboniferous Carbondale Formation of Illinois.[3][4]

Helenodora
Temporal range: Pennsylvanian
~311–307 Ma
↓
Reconstruction of Helenodora
Scientific classification
Kingdom: Animalia
Phylum: Onychophora
Class: Udeonychophora
Order: †Ontonychophora
Family: †Helenodoridae
Poinar, 2005[1]
Genus: †Helenodora
Thompson and Jones, 1980
Species
  • †H. inopinata Thompson and Jones, 1980[2]

References
  1. Poinar, G. Jr. (March 2000). "Fossil Onychophorans from Dominican and Baltic Amber: Tertiapatus dominicanus n.g., n.sp. (Tertiapatidae n.fam.) and Succinipatopsis balticus n.g., n.sp. (Succinipatopsidae n.fam.) with a Proposed Classification of the Subphylum Onychophora". Invertebrate Biology. 119 (1): 104–9. doi:10.1111/j.1744-7410.2000.tb00178.x.
  2. 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.
  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.
  4. 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.


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