|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Chondrichthyes - Synechodontiformes - Paleospinacidae
It was recombined as Synechodus rhaeticus by Duffin (1998), Cuny et al. (2000) and Cuny and Risnes (2005).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|C. J. Duffin 1982||A palaeospinacid shark known only by large (over 70mm long) dorsal fin spines. The anterior and lateral faces of the spine are enamelled. The enamel shows growth rings. The enamel coat has a long (over 5mm) proximal extension anteriorly and sweeps back quickly and smoothly to the posterior spine margin. Enamel tubercles may be present in a double row proximal to the lower border of the enamel.|