Longodus

Longodus; Temporal range: Ludlow PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Agnatha
Subclass:	Thelodonti
Order:	Thelodontiformes
Family:	Longodidae; Märss, 2006
Genus:	Longodus; Märss, 2006
Species:	L. acicularis
Binomial name
	Longodus acicularis; Märss, 2006 [1]

Longodus is an extinct genus of thelodont, placed in its own family[1][2] – Longopdidae – which existed in what is now Estonia during the Ludlow epoch of the upper Silurian period.[3] The type and only species is Longodus acicularis.[1][3]

References

T. Märss (2006). "Thelodonts (Agnatha) from the basal beds of the Kuressaare Stage, Ludlow, Upper Silurian of Estonia" (PDF). Proceedings of the Estonian Academy of Sciences, Geology. 55 (1): 43–66.
Mark V. H. Wilson & Tiiu Märss (2009). "Thelodont phylogeny revisited, with inclusion of key scale-based taxa" (PDF). Estonian Journal of Earth Sciences. 58 (4): 297–310. doi:10.3176/earth.2009.4.08.
Märss, T., Turner, S. & Karatajūte-Talimaa, V. 2007. "Thelodonti". In H.P. Schultze (ed.). Agnatha II (PDF). 1B. Verlag Dr. Friedrich Pfeil, München. p. 143.CS1 maint: multiple names: authors list (link)

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[Märss_2006-1] T. Märss (2006). "Thelodonts (Agnatha) from the basal beds of the Kuressaare Stage, Ludlow, Upper Silurian of Estonia" (PDF). Proceedings of the Estonian Academy of Sciences, Geology. 55 (1): 43–66.

[2] Mark V. H. Wilson & Tiiu Märss (2009). "Thelodont phylogeny revisited, with inclusion of key scale-based taxa" (PDF). Estonian Journal of Earth Sciences. 58 (4): 297–310. doi:10.3176/earth.2009.4.08.

[Schultze-3] Märss, T., Turner, S. & Karatajūte-Talimaa, V. 2007. "Thelodonti". In H.P. Schultze (ed.). Agnatha II (PDF). 1B. Verlag Dr. Friedrich Pfeil, München. p. 143.CS1 maint: multiple names: authors list (link)