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Table 6 Small columnals and brachials (fraction <1.7 mm) from La Pouza 1–3

From: Crinoids from the Middle Jurassic (Bajocian–Lower Callovian) of Ardèche, France

Type of ossicle

Number

Remarks

Columnals

42

Branched: 19

First primibrachials

1,044

 

Second (axillary) primibrachials

1,043

With pit: 3

Secundibrachials with two muscular facets

13,240

With pit: 7

Secundibrachials with one synostosial facet

118

With pinnule socket: 32