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![Ammobaculites bivarians n.sp. All specimens are from the Anholt IV borehole; all magnifications are ×120; figures 1–14 are reflected light photomicrographs; figures 15–31 are scanning electron micrographs.
1–3 Lateral views of three paratypes: 1, MGUH no. 26578, from 289.99m; 2, MGUH no. 26579, from 290.12m; 3, MGUH no. 26580, from 289.08m.
4 Lateral view of holotype, MGUH no. 26577, from 290.12m.
5 Lateral view of paratype, MGUH no. 26581, from 289.08m, preserved as pyrite internal mold with some wall material visible at sutures.
6–8 Lateral views of three paratypes: 6, MGUH no. 26582, from 280.90m; 7, MGUH no. 26583, from 282.85m; 8, MGUH no. 26584, from 286.63m.
9–14 Lateral views of six paratypes consisting only of the planispiral growth stage: 9, MGUH no. 26585, from 286.63m, with tendency to uncoiling; 10, MGUH no. 26586, from 282.05m, with tendency to uncoiling; 11, MGUH no. 26587, from 290.12m; 12, MGUH no. 26588, from 286.63m; 13, MGUH no. 26589, from 281.20m; 14, MGUH no. 26590, from 282.05m, with tendency to uncoiling.
15–21 Lateral views of seven specimens: 15, from 289.99m (MGUH no. 26591); 16–17, from 286.63m (MGUH nos. 26592–26593); 18, from 286.26m (MGUH no. 26594); 19–21, from 286.63m (MGUH nos. 26595–26597).
22–24 Apertural views of three specimens, all from 282.85m (MGUH nos. 26598–26600).
25–28 Lateral views of four specimens consisting only of the planispiral growth stage: 25, from 280.90m, with tendency to uncoiling (MGUH no. 26601); 26, from 282.85m (MGUH no. 26602); 27, from 289.08m (MGUH no. 26603); 28, from 289.57m (MGUH no. 26604).
29–30 Frontal views of two specimens consisting only of the planispiral growth stage: 29, from 286.63m (MGUH no. 26605); 30, from 282.05m (MGUH no. 26606).
31 Frontal view of specimen with a single uncoiled chamber, from 282.05m (MGUH no. 26607).]()
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Ammobaculites bivarians
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Ammobaculites bivarians n.sp. All specimens are from the Anholt IV borehol... Available to Purchase
Published: 01 January 2003
PLATE 2 Ammobaculites bivarians n.sp. All specimens are from the Anholt IV borehole; all magnifications are ×120; figures 1–14 are reflected light photomicrographs; figures 15–31 are scanning electron micrographs.
1–3 Lateral views of three paratypes: 1, MGUH no. 26578, from 289.99m; 2, MGUH
Journal Article
Jurassic marginal marine deposits on Anholt, Denmark Available to Purchase
Journal: Micropaleontology
Publisher: Micropaleontology Press
Published: 01 January 2003
Micropaleontology (2003) 49 (1): 27–46.
...PLATE 2 Ammobaculites bivarians n.sp. All specimens are from the Anholt IV borehole; all magnifications are ×120; figures 1–14 are reflected light photomicrographs; figures 15–31 are scanning electron micrographs.
1–3 Lateral views of three paratypes: 1, MGUH no. 26578, from 289.99m; 2, MGUH...
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