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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