Walterosteus is an extinct genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany and Morocco. Walterosteus is very similar to the other Kellwasserkalk selenosteids. This similarity lead Denison (1978) to synonymize the genus, together with Ottonosteus (O. jaekeli = E. hermanni), into Enseosteus, claiming that the former two genera are too similar to Enseosteus to merit separate genus status. Rücklin (2011) agrees with Denison's synonymizing of Ottonosteus, but rejects Denison's synonymization of Walterosteus, claiming how Walterosteus has a contact between the rostral plate and the pineal plate, which Enseosteus does not.
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| - Walterosteus is an extinct genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany and Morocco. Walterosteus is very similar to the other Kellwasserkalk selenosteids. This similarity lead Denison (1978) to synonymize the genus, together with Ottonosteus (O. jaekeli = E. hermanni), into Enseosteus, claiming that the former two genera are too similar to Enseosteus to merit separate genus status. Rücklin (2011) agrees with Denison's synonymizing of Ottonosteus, but rejects Denison's synonymization of Walterosteus, claiming how Walterosteus has a contact between the rostral plate and the pineal plate, which Enseosteus does not. (en)
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| - * W. pachyostoides (Stensiö 1959)
* W. grossi
* W. lelievrei (Rücklin 2011) (en)
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| - * Wildungenichthys grossi (Maish, 1998) (en)
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| - Walterosteus pachyostoides (en)
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| - Walterosteus is an extinct genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany and Morocco. Walterosteus is very similar to the other Kellwasserkalk selenosteids. This similarity lead Denison (1978) to synonymize the genus, together with Ottonosteus (O. jaekeli = E. hermanni), into Enseosteus, claiming that the former two genera are too similar to Enseosteus to merit separate genus status. Rücklin (2011) agrees with Denison's synonymizing of Ottonosteus, but rejects Denison's synonymization of Walterosteus, claiming how Walterosteus has a contact between the rostral plate and the pineal plate, which Enseosteus does not. (en)
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| - * Wildungenichthys grossi (Maish, 1998)
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