SUMMARYVisean goniatites from rhe rap of the PI Zone are described. Eight new species and one variety are erected. A new genus Hibernicoceras is proposed for the reception of some of these. Observations are made on the genus Prcedaraelites of Schindewolf.
Summary
Dimorphoceras
(
Metadimorphoceras
)
hodsoni
subgen. et sp. nov. is described from the P
1
Zone in the Viséan shales of County Leitrim, Eire.
Dimorphoceras
(
Dimorphoceras
)
kathleenae
Moore and
Kazakhoceras hawkinsi
(Moore) are also recorded from the same zone. An early variety, var.
leitrimense
nov., of
D.
(
D.
)
kathleenae
is erected. Recent Russian work on the systematics of Dimorphoceratidae is discussed.
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