Heydenius

Heydenius Temporal range: Tertiary PreꞒ Ꞓ O S D C P T J K Pg N
Heydenius formicinus adjacent to its worker ant host in Baltic amber
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Nematoda
Class:	Enoplea
Order:	Mermithida
Family:	Mermithidae
Genus:	† Heydenius Taylor, 1935
Species
See text

Heydenius is a collective group genus of fossil mermithid nematodes from the Tertiary period that cannot be placed in extant genera. ^[1]

Species

Scientific name	Age	Type locality	Country	Host	Notes
Heydenius antiquus(von Heyden, 1860) Taylor, 1935	Oligocene/Miocene	Rhine lignite	Germany	Hesthesis immortua von Heyden, 1862 (Coleoptera, Cerambycidae)	Originally named Mermis antiquavon Heyden, 1860.
Heydenius arachnius Poinar, 2012 [2]	Miocene	Dominican amber	Dominican Republic	Araneae
Heydenius araneusPoinar, 2000 [3]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Araneae, Thomisidae
Heydenius browniiPoinar, 2001 [4]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Hemiptera, Achilidae
Heydenius cecidomyaePoinar, 2011 [1]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Diptera, Cecidomyiidae
Heydenius dipterophilusPoinar, 2011 [1]	Miocene	Dominican amber	Dominican Republic	Diptera, Milichiidae
Heydenius dominicusPoinar, 1984 [5]	Miocene	Dominican amber	Dominican Republic	Culex (Diptera, Culicidae)
Heydenius formicinusPoinar, 2002 [6]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Prenolepis henschei Mayr, 1868 (Hymenoptera, Formicidae)
Heydenius lamprophilusPoinar, 2011 [1]	Miocene	Dominican amber	Dominican Republic	Coleoptera, Lampyridae
Heydenius matutinus(Menge, 1866) Taylor, 1935	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Diptera, Chironomidae	Originally named Mermis matutinaMenge, 1866.
Heydenius myrmecophilaPoinar, Lachaud, Castillo & Infante, 2006 [7]	Miocene	Dominican amber	Dominican Republic	Linepithema (Hymenoptera: Formicidae)
Heydenius neotropicusPoinar, 2011 [1]	Miocene	Dominican amber	Dominican Republic	Diptera, Chironomidae
Heydenius phasmatophilusPoinar, 2012 [2]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Balticophasma (Phasmatodea: Phasmatidae)
Heydenius podenasaePoinar, 2012 [2]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Lepidoptera
Heydenius psychodaePoinar, 2011 [1]	Miocene	Dominican amber	Dominican Republic	Diptera, Psychodidae
Heydenius quadristriatus(Menge, 1872) Taylor, 1935	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Unknown	Originally named Mermis quadristriataMenge, 1872.
Heydenius saprophilusPoinar, 2011 [1]	Miocene	Dominican amber	Dominican Republic	Diptera, Anisopodidae
Heydenius scatophilusPoinar, 2011 [1]	Miocene	Dominican amber	Dominican Republic	Diptera, Scatopsidae
Heydenius sciarophilusPoinar, 2011 [1]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Diptera, Sciaridae
Heydenius simulphilusPoinar & Currie, 2019 [8]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Diptera, Simuliidae
Heydenius tabanaePoinar, 2011 [1]	Late Pliocene (Piacenzian)	Willershausen clay pit	Germany	Tabanus sudeticus Zeller, 1842 (Diptera, Tabanidae)
Heydenius trichorosusPoinar, 2012 [2]	Eocene	Baltic amber	Russia (  Kaliningrad Oblast)	Triaenodes balticus Wichard & Barnard, 2005 (Trichoptera, Leptoceridae)

See also

• Cretacimermis

References

1. Poinar, G. O. (2011). "Appendix I. Taxonomic descriptions of previously known and new fossil nematode taxa". The Evolutionary History of Nematodes: As revealed in stone, amber and mummies. Nematology Monographs and Perspectives. Vol. 9. Brill Publishers. pp. 247–357. doi:10.1163/9789047428664_015. ISBN   9789004175211.
2. Poinar, G. O. (2012). "New fossil nematodes in Dominican and Baltic amber". Nematology . 14 (4): 483–488. doi:10.1163/156854111X612199. S2CID   86060924.
3. Poinar, G. O. (2000). "Heydenius araneus n.sp. (Nematoda: Mermithidae), a parasite of a fossil spider, with an examination of helminths from extant spiders (Arachnida: Araneae)". Invertebrate Biology. 119 (4): 388–393. Bibcode:2000InvBi.119..388P. doi:10.1111/j.1744-7410.2000.tb00108.x. JSTOR   3227190.
4. Poinar, G. O. (2001). "Heydenius brownii sp. n. (Nematoda: Mermithidae) parasitising a planthopper (Homoptera: Achilidae) in Baltic amber". Nematology . 3 (8): 753–757. doi:10.1163/156854101753625263.
5. Poinar, G. O. (1984). "Heydenius dominicus n. sp. (Nematoda: Mermithidae), a Fossil Parasite from the Dominican Republic". The Journal of Nematology. 16 (4): 371–375. PMC   2618410 . PMID   19294040.
6. Poinar, G. O. (2002). "First fossil record of nematode parasitism of ants; a 40 million year tale". Parasitology . 125 (5): 457–459. doi:10.1017/S0031182002002287. PMID   12458829. S2CID   41983613.
7. Poinar, G. O.; Lachaud, J.-P.; Castillo, A.; Infante, F. (2006). "Recent and fossil nematode parasites (Nematoda: Mermithidae) of Neotropical ants". Journal of Invertebrate Pathology . 91 (1): 19–26. Bibcode:2006JInvP..91...19P. doi:10.1016/j.jip.2005.10.003. PMID   16300784.
8. Poinar, G. O.; Currie, D. C. (2019). "Mermithid nematode (Nematoda: Mermithidae) parasites of a fossil black fly (Diptera: Simuliidae) in Baltic amber". Nematology . 22 (6): 655–658. doi:10.1163/15685411-00003328. S2CID   213239194.