Ilyodes

Ilyodes
Scientific classification
Kingdom:	Animalia
Phylum:	Onychophora
Class:	Udeonychophora
Order:	†Ontonychophora
Family:	†Helenodoridae Poinar, 2005[1]
Genus:	†Ilyodes Scudder 1890
Species
I. divisa Scudder 1890[2] I. (H.) opinata Thompson and Jones 1980[3]

Ilyodes (junior synonym: Helenodora) is an extinct genus of Onychophoran known from the Carboniferous period.^[4] It may have one or two species; more study is needed to confirm this.^[5] It is tentatively interpreted as having slime papillae.^[5]

References

1. Poinar, G. Jr. (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. Scudder, S.H. (1890). New Carboniferous Myriapoda from Illinois. Mem. Boston Soc. Nat. Hist. 4, 417–440.
3. Thompson, I.; Jones, D. S. (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.
4. Poinar, G. (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.
5. Haug, J. T.; Mayer, G.; Haug, C.; Briggs, D. E. G. (2012). "A Carboniferous Non-Onychophoran Lobopodian Reveals Long-Term Survival of a Cambrian Morphotype". Current Biology. doi:10.1016/j.cub.2012.06.066.