Helenodora

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]

Helenodora inopinata is an extinct genus of onychophoran known from the Carboniferous period.^[3][4]

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. doi:10.2307/1304204 (inactive 2015-01-09). 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). doi:10.1186/s12862-016-0582-7.