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Wallodinium cylindricum ssp. ornatum

Plate 2, Figures 9, 12, 16
Holotype: Plate 2, Figure 12.

Type Locality: Vergol outcrop, early Valanginian, Bed V88, inostranzewi ammonite Zone, inostranzewi Sub-zone. Holotype: Slide V88(1), E.F. B49.0.

Derivation of Name: From the Latin ornatus, ornate - in reference to the surface ornament.

Diagnosis: A subspecies of Wallodinium cylindricum bearing clear surface ornament which varies from fine granules to short, slender spines, often on an individual specimen. The ornament is restricted to the epicyst.

Dimensions: Holotype (complete): 56 × 35 μm.
Overall - 56 (52) 51 μm × 38 (35) 33 μm.
Specimens measured - 3.

Remarks: This is a rare form, ranging between Vergol Beds V87 (immediately above Barrande layer B3 - sample included in Appendix 3) and V124M, early Valanginian, inostranzewi ammonite Zone, inostranzewi Sub-zone to late Valanginian, base peregrinus Zone. It was not recorded at La Charce.
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