-
Heydenius is a
collective group genus of
fossil mermithid nematodes from the
Tertiary period that
cannot be
placed in
extant genera.
Cretacimermis Poinar...
- †Cretacimermis Poinar, 2001
Eumermis Daday, 1911
Gastromermis Micoletzky, 1923 †
Heydenius Taylor, 1935
Hydromermis Corti, 1902
Lanceimermis Artyukhovskii, 1969...
- from the
Cretaceous that
cannot be
placed in
extant genera. Species:
Heydenius Luo, C.; Poinar, G. O.; Xu, C.; Zhuo, D.; Jarzembowski, E. A.; Wang, B...
- &
Geyer Early Cambrian (Dyeran) United
States A
member of Hyolitha.
Heydenius simulphilus Sp. nov
Valid Poinar &
Currie Eocene Baltic amber Europe (Baltic...
-
Heydenius podenasae Sp. nov
Valid Poinar Eocene Baltic amber Russia ( Kaliningrad Oblast) A
nematode belonging to the
family Mermithidae.
Heydenius trichorosus...
