By Dietze V., Chandler R.B., Callomon J.H.
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Extra resources for The Ovale Zone (Lower Bajocian, Middle Jurassic) at Little Down Wood (Dundry Hill, Somerset, SW England)
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368 Plate 4 Fig. 1. Witchellia romanoides (DOUVILLÉ) [M], typical example. Bed 8 a, ammonite faunal horizon of Witchellia romanoides (Bj-5); SM X40327. Fig. 2. Witchellia romanoides (DOUVILLÉ) [M], complete phragmocone. Cast of lectotype (designated here), DOUVILLÉ’s syntype I (1885, pl. 3, fig. 4). Ovale Zone of the Vallée de Valaury’ (S France); SM X40330, Original STL EM 1705. Fig. 3. Witchellia romanoides (DOUVILLÉ) [M], typical example. Bed 8 b(ii); SM X40328. Fig. 4. Witchellia romanoides (DOUVILLÉ) [M], larger variant.
All figures natural size. Black spot on lateral view indicates the beginning of the bodychamber at the last septum. , the ovale zone at little down wood 37 38 stuttgarter beiträge zur naturkunde Ser. B, Nr. 368 Plate 8 Fig. 1. Fissilobiceras ovale (QUENSTEDT) [M]. Nearly complete adult, maximum diameter 340 mm; note the fissilobate septal suture. Similar giants – some with more rounded umbilical walls and then assigned to F. *fissilobatum (WAAGEN) – occur throughout the whole of bed 8. Bed 8 b(i); SM X40340.
6–8, resembling that in “Emileites” liebi [M], the supposed sexual dimorphic counterpart. Bed 8 a; SM X40347. Fig. 7. “Trilobiticeras” [gen. ] cricki PARSONS [m]. Larger variant, complete with lappets. Bed 8 b(ii); SM X40348. Fig. 8. “Trilobiticeras” [gen. ] cricki PARSONS [m]. Another complete specimen with lappets. Bed 8 b(ii); SM X40349. All figures natural size. Black spots on lateral views indicate the beginning of the bodychamber at the last septum. , the ovale zone at little down wood 41 42 stuttgarter beiträge zur naturkunde Ser.