by significant character incongruence in functionally important structures."^p. 638.

Digit-like radials are also known in the rhizodont fish Sauripterus, though this is likely a case of convergent evolution. Elpistostege, a tetrapodomorph fish closely related to Tiktaalik, preserves one of the most tetrapod-like hands in any prehistoric fish. The hand of Elpisostege had 19 distal fin radials arranged into blocks