Arkell.1956.Jurassic..

PLATE 38
UPPER CALLOVIAN AND LOWER OXFORDIAN
Cardioceras cordatum (Sowerby), lectotype designated by the International
Commission on Zoological Nomenclature, Opinion 235; after Arkell (1946,
pi. xlviii, fig. 1). Lower Calcareous Grit, Seend district, Wilts. (British
Mus.) Type species of the genus Cardioceras Neumayr & Uhlig, 1881.
X i-o.
2. Cardioceras (Scarburgiceras) praecordatum R. Douville, neotype designated by
Arkell, 1941, after R. Douville (1913, pi. vii, fig. 7). Villers, Normandy.
(Synonyms douvillei Maire, praemartini Spath.) X 1 -o.
3. Cardioceras (Scarburgiceras) scarburgense (Young & Bird), holotype after
Arkell (1939, pi. x, fig. 1). Oxford Clay, Scarborough, Yorks. (Whitby
Mus.) Type species of the subgenus Scarburgiceras Buckman, 1924. X i-o.
4. Quenstedtoceras (Pavloviceras) mariae (d'Orbigny), lectotype designated Buck-
man, 1913, after Arkell (1939, pi. xi, fig. 4). Villers, Normandy. D'Orbigny
Coll., Paris. (From plaster cast.) (For the genus Quenstedtoceras see
Opinion 324.) Xi-o.
5. Creniceras renggeri (Oppel). 'Renggeri marls', Oxford Clay, Woodham Pit,
Bucks; after Arkell (1939, pi. ix, fig. 18). The holotype, figured by Sowerby
from near Weymouth, is lost. Type species of the genus Creniceras Munier-
Chalmas, 1892. Xi-o.
6. Quenstedtoceras (Lamberticeras) lamberti (Sowerby), topotype, Oxford Clay,
Tidmoor Point, Weymouth. Author's Coll. Type species of the subgenus
Lamberticeras Buckman, 1920. (Objective synonym Bourkelamberticeras
Buckman, 1920.) (Opinion 324.) Xi-o.
7. Peltoceras athleta (Phillips), neotype, after Spath (1931, reproduced in Arkell,
x
933> pl- xxxvii, fig. 7). Hackness Rock, Scarborough, Yorks. (British
Mus.) Type species of the genus Peltoceras Waagen, 1871, designated by
Schindewolf, 1925. Xo-85.
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