Genus: Leptodontichthys JOBBINS, RÜCKLIN, ARGYRIOU & KLUG, 2021
Etymology: Greek, leptos, "slender," Greek, odous, "tooth" and Greek, ichthys, "fish." Referring to the long and slender teeth on the posterior superognathal.
Species: ziregensis JOBBINS, RÜCKLIN, ARGYRIOU & KLUG, 2021
Etymology: In reference to thetype locality Jebel Zireg.
Holotype: PIMUZA/I 5022
Locality: Eastern Jebel Zireg, Maider region,Morocco.
Horizon: Taboumakhlouf Formation.
Biostratigraphy: Drotops Layer, hemiansatus or lower varcus conodont zone.
Age: Early or middle Givetian stage, Mid Devonian Epoch, Middle Devonian.
Material: Right posterior superognathal.
Referred material:
MARK-KURIK, 1973
Locality: Gorodenka, Estonia.
Horizon:
Biostratigraphy:
Age: Middle Devonian.
Material:
GMEA Pi 830: Skull roof.
GMEA Pi 832: Right Paranuchal plate.
GMEA Pi 971: Nuchal plate.
GMEA Pi 830: Skull-roof, visceral surface.
GMEA Pi 827: Attached plates.
GMEA Pi 833: Left spinal plates.
GMEA Pi899: Left posterior ventrolateral plate.
Locality: Tahrtvere, Estonia.
Horizon:
Biostratigraphy:
Age: Middle Devonian.
Material:
GMEA Pi 836: Anterior part of skull-roof.
Locality: Bore hole in Abja, Estonia.
Horizon:
Biostratigraphy:
Age: Middle Devonian.
Material:
GMEA Pi 982: Left paranuchal plate.
Locality: Tamme, Estonia.
Horizon:
Biostratigraphy:
Age: Middle Devonian.
Material:
GMEA Pi 985: Nuchal plate.GMEA Pi 839: Median dorsal plate.
GMEA Pi 844: Right anterior lateral plate.
GMEA Pi 840: Atached plates.
Locality: Bore hole nr. 36 to the south-west of Ilmen, Lake, Novgorod District, Russia.
Horizon:
Biostratigraphy:
Age: Middle Devonian.
Material:
GMEA Pi 981: Attached plates.
Locality: Hohly, Pskov district, Russia.
Horizon:
Biostratigraphy:
Age: Middle Devonian.
Material:
GMEA Pi 843: Median dorsal plate.
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Species: magna MARK-KURIK, 1973
Etymology:
Holotype: GMEA Pi 986
Locality: Joosu, a quarry of the refactory clasy in north of Voru, Estonia.
Horizon: Burtnieki Beds.
Biostratigraphy:
Age: Givetian Stage, Late Mid Devonian Epoch, Middle Devonian.
Material: Nearly complete skull with counterpart and attached endocranium.
Referred material:
Locality: Skanais Kalns, Salace River, and Simanens, Gauja River, Latvia.
Horizon: Burtnieki Beds.
Biostratigraphy:
Age: Givetian Stage, Late Mid Devonian Epoch, Middle Devonian.
Material:
Number: Not given:
Locality: Karksi, Estonia.
Horizon:
Biostratigrpahy:
Age: Middle Devonian.
Material:
GMEA Pi 763: Skul roof fragment.
GMEA Pi 825, 817: Median doral plates.
GMEA Pi 962: Left anterior dorsolatera plate.
GMEA Pi 964: Right posterior dorsolateral plate.
GMEA Pi 785: Large fragment of left anterior lateral plate.
GMEA Pi 900: Fragment of right anterior lateral plate.
GMEA Pi 789: Right ventral plate.
GMEA Pi 961: Right anterior ventrolateral plate.
GMEA Pi 969: Right posterior ventrolateral plate.
GMEA Pi 970: Left posterior ventrolateral plate.
GMEA Pi 992: Fragment of left posterior ventrolateral plate.
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Species: spinosa MARK-KURIK, 1985
Etymology: Latin, spinosus, in reference to the spinelets on the margins of the spinal plate.
Holotype: Institute of Geology, Acad. Sci. Estonian SSR, Tallinn, Pi 1094a, b
Locality: Deth 237 m, Ventspils borring D3, Latvia.
Horizon: Kemeri Regional Stage.
Biostratigraphy:
Age: Siegenian Regional Stage, PRagian Stage, Middle Early Devonian Epoch, Early Devonian.
Material: Skull and turnk-shield.
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