en Ferromirum

Ferromirum; Temporal range: Famennian PreꞒ Ꞓ O S D C P T J K Pg N
	Holotype and only known specimen (PIMUZ A/I 4806)
	Life restoration
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	†Symmoriiformes
Genus:	†Ferromirum; Frey et al. 2020
Type species
	Ferromirum oukherbouchi; Frey et al. 2020

Ferromirum is an extinct genus of symmoriiform cartilaginous fish known from the late Devonian (mid Famennian) Ibâouane Formation in the southeastern Anti-Atlas of Morocco, with a single species Ferromirum oukherbouchi. It is known from a single well preserved skeleton, which is of a small individual less than half a metre in length. The jaws and hyoid arch are preserved uncrushed. The skull has large orbits (eye sockets) which have sclerotic rings. The teeth are small and have a cladodont morphology. The body is slender. The first dorsal fin has a smooth fin spine, which curves posteriorly towards its tip.^[1]

References

^ Frey, Linda; Coates, Michael I.; Tietjen, Kristen; Rücklin, Martin; Klug, Christian (2020-11-17). "A symmoriiform from the Late Devonian of Morocco demonstrates a derived jaw function in ancient chondrichthyans". Communications Biology. 3 (1): 681. doi:10.1038/s42003-020-01394-2. ISSN 2399-3642. PMC 7672094. PMID 33203942.

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[1] Frey, Linda; Coates, Michael I.; Tietjen, Kristen; Rücklin, Martin; Klug, Christian (2020-11-17). "A symmoriiform from the Late Devonian of Morocco demonstrates a derived jaw function in ancient chondrichthyans". Communications Biology. 3 (1): 681. doi:10.1038/s42003-020-01394-2. ISSN 2399-3642. PMC 7672094. PMID 33203942.

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