Published July 6, 2018
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TABLE 1 in Extreme reduction of morphological characters: a type of brachidial development found in several Late Cretaceous and Recent brachiopod species-new relationships between taxa previously listed as incertae sedis
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TABLE 1. Jagtithyris suessi (Bosquet, 1859). Morphometric values of the neotype and of additional specimens, collected from strata dated as late Maastrichtian (Maastricht Formation, Belemnitella junior Zone) in Maastricht area, southern Limburg, The Netherlands. Specimens preserved in the NHMM collections. L= length of shell, W= width, T= thickness, WH= hinge line, ØF= maximum width of foramen, LSP= length of septum, LCP= length of crural plates, L/W= ratio length/width, T/W=ratio thickness/width, WH/W= ratio hinge line/ width, ØF/W= ratio diameter of foramen/width.
| NHMM specimens | L mm | W mm | T mm | WH mm | ØF mm | L/W | T/W | WH/W | ØF/W | LSP mm | LCP mm |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Neotype 2017 0 13 | 6.6 | 4.6 | 1.8 | 3.5 | 1.3 | 1.43 | 0.39 | 0.76 | 0.28 | n.m. | n.m. |
| 2017 0 14 | 5.2 | 3.8 | 1.5 | 2.7 | 1.2 | 1.37 | 0.40 | 0.71 | 0.32 | 2.7 | 0.2 |
| 2017 0 15 | 7.5 | 5.7 | 2.5 | 3.6 | 1.3 | 1.32 | 0.44 | 0.63 | 0.23 | 4.1 | 0.2 |
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References
- Bosquet, J. (1859) Monographie des Brachiopodes fossiles du Terrain Cretace du Duche de Limbourg. Premiere Partie, Craniadae et Terebratulidae (Subfamilia Thecidiidae). Memoires pour servir a la description geologique de la Neerlande, 3, 1-50.