Arkell.1956.Jurassic..

23° THE IBERIAN PENINSULA
P. tarraconensis Fallot & Blanchet, etc. (Fallot & Blanchet, 1923). In
Teruel Dereims (1898, p. 147) records the same fauna in 8 m. of limestones,
with Ochetoceras canaliculatum (von Buch) and most of the Perisphinctids
in the upper half, and P. plicatilis and 'Aspidoceras perarmatum' in the
lower half. Dereims (1898, p. 143) also observed Peltoceras (Gregoryceras)
fouquei Kilian in a higher bed than P. plicatilis and P. cf. airoldii Gem.
and this agrees with its type area, Andalusia, where it is a species of the
Bimammatum Zone (Fallot, 1934).
LOWER OXFORDIAN
As in the Rhone valley and North Africa, the presence of Lower
Oxfordian is not established with certainty. Dereims (1898, p. 131) and
Mallada (1902, p. 401) accepted as Lower Oxfordian half a metre of
oolite in Teruel from which Dereims recorded Sowerbyceras tortisulcatum
(d'Orb.), Calliphylloceras lodaense (Waagen) (both Oxfordian), Perisphinctes
cf. sutneri Choffat (Upper Oxfordian) and two Perisphinctids
recorded as aff. bakeriae (Sow.) and cf. subtilis Neum., both of which would
be Grossouvriae, possibly Lower Oxfordian species such as 'Klematosphinctes'
vernoni (Young & Bird). At another locality in Teruel a bed only
20 cm. thick is reported to contain 'numerous varieties of Perisphinctes
plicatilis' as well as Prososphinctes cf. consociatus (Bukowski), P. cf.
michalskii (Bukowski), and P. birmensdorfensis (Moesch) (Dereims, 1898,
p. 141), three species which, if correctly identified, would indicate the
Cordatum Zone. There seems to be a complete absence, however, of the
typical Cardioceratidae, Oppeliidae and Aspidoceratidae (including
Peltoceratinae) normal to the Lower Oxfordian.
UPPER CALLOVIAN
The only evidence for Upper Callovian in NE. Spain appears to be a
single record of Peltoceras athleta, the determination of which was doubted
by Dereims (1898, p. 149).
MIDDLE AND LOWER CALLOVIAN
The Callovian (less Upper Callovian) is the last of the Jurassic stages
that is distributed over the whole area. Nevertheless it is much condensed,
consisting of limestones in places only 5 m. thick. It is richly fossiliferous
and contains the standard NW. European ammonites (except in the south:
see below). Both in Burgos in the north and in Aragon two zones have
been recognized almost everywhere: a lower zone with Macrocephalites
macrocephalus auct. and various 'Sphaeroceras' auct., with Hecticoceras
hecticum, etc., and an upper zone with Reineckeia anceps and numerous
species of Hecticoceras and Grossouvria and also Erymnoceras (Larrazet,
1896; Dereims, 1898, tabulated in R. Douville, 1911, p. 60; Gutierrez,
1918; and Larrazet reproduced in full by Mallada, 1902, pp. 350-3).
In the north Larrazet has been confirmed by Ciry (1940, pp. 49-52),
though in one locality he thinks the Callovian is developed in the facies
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