• This dipnoan is a small to medium sized fish (although few examples are known of specimens over 30 cm, see picture at the top) and was the most common fish in the Eday Flags. It had tooth plates that looked similar to Dipterus. The fish is recently described by Tom Challands et al. (2016). It looks much like the Devonian lungfish Scaumenacia curta from Miguasha, Canada. Both species have no cosmine on their scales and head plates.

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  • At the start of the 19th century the lungfish Dipterus was one of the first fish described in many papers. It has peculiar tooth plates and a strange lower jaw. Together with this, and the fact that there are still lungfish living today, it makes this a very interesting fish. On Orkney articulated specimens can be found in the Sandwick Fish Bed and disarticulated specimens almost everywhere. In the Eday Subgroup Dipterus is “replaced” by Pentlandia macroptera.

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