Phlebolepis

Phlebolepis is an extinct thelodont agnathan genus belonging to the family Phlebolepididae. Whole fossils are found in Late Silurian (Ludlow epoch) aged strata from Saaremaa, Estonia. Phlebolepis elegans was average-sized for a thelodont, 7 cm long.^[1]

Phlebolepis Temporal range: late Silurian
Phlebolepis elegans, thelodont from Late Silurian of Baltic states, Russia and England
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Infraphylum:	Agnatha
Class:	†Thelodonti
Order:	†Phlebolepidiformes
Family:	†Phlebolepididae
Genus:	†Phlebolepis Pander, 1856
Species
†P. elegans Pander, 1856 †P. ornata Märss 1986

The scales of Phlebolepis are robust and abrasion-resistant, similar to modern sharks which live among rough substrates such as rocky caves or reefs.^[2][3]

Life reconstruction of Phlebolepis elegans