The coiled Middle Ordovician cephalopod genera Trocholites and Curtoceras (Tarphyceratida) from Baltoscandia and north-central Europe
Author
Aubrechtová, Martina
3CAF4231-8787-4051-8D76-F983332517EE
Institute of Geology, Czech Academy of Sciences, Rozvojová 269, Prague, 16500, Czech Republic.
aubrechtova@gli.cas.cz
Author
Korn, Dieter
286CA4F3-7EBC-4AEF-A66A-B2508D001367
Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.
dieter.korn@mfn.berlin
text
European Journal of Taxonomy
2025
2025-03-26
982
1
78
https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2843/12943
journal article
308947
10.5852/ejt.2025.982.2843
a1ffc010-9e7a-4cd4-a789-bc653917f76a
2118-9773
15096341
00EDB7C3-98B6-4FF6-93C3-2B2DCF8FA3A9
Table 23 (continued on next page). Conch measurements, ratios and rates of Curtoceras teres (Eichwald, 1840).| specimen | dm | ww | wh | uw | ah | CWI | WWI | UWI | WER | IZR |
|---|
| MB.C.11544 | 43.6 | 13.2 | 13.0 | 20.5 | 13.0 | 0.30 | 1.01 | 0.47 | 2.03 | 0.00 |
|---|
| minus 90° | 37.5 | 12.7 | 12.3 | 16.5 | 12.3 | 0.34 | 1.03 | 0.44 | 2.21 | 0.00 |
|---|
| minus 180° | 30.0 | 10.4 | 9.7 | 13.2 | 9.7 | 0.35 | 1.06 | 0.44 | 2.19 | 0.00 |
|---|
| minus 270° | 24.9 | 9.7 | 8.8 | 10.5 | 8.8 | 0.39 | 1.11 | 0.42 | 2.39 | 0.00 |
|---|
| minus 360° | 20.1 | – | 7.0 | 7.8 | 7.0 | – | – | 0.39 | 2.35 | 0.00 |
|---|
| minus 450° | 16.0 | – | 5.8 | 5.5 | 5.8 | – | – | 0.34 | 2.44 | 0.00 |
|---|
| minus 540° | 13.1 | – | 5.3 | 4.0 | 5.3 | – | – | 0.30 | 2.81 | 0.00 |
|---|
| minus 630° | 10.1 | – | 4.3 | 2.6 | 4.3 | – | – | 0.26 | 3.01 | 0.00 |
|---|
| minus 720° | 7.7 | – | 3.7 | 1.8 | 3.7 | – | – | 0.23 | 3.64 | 0.00 |
|---|
| minus 810° | 5.7 | – | 3.2 | 0.9 | 3.2 | – | – | 0.16 | 5.18 | 0.00 |
|---|
| MB.C.9715 | 40.9 | 12.0 | 14.5 | 17.0 | – | 0.29 | 0.82 | 0.42 | – | – |
|---|
| MB.C.32187 | 36.7 | 12.7 | 12.7 | 17.0 | 12.3 | 0.35 | 1.00 | 0.46 | 2.26 | 0.03 |
|---|
| MB.C.32184 | 40.5 | – | 12.1 | 18.2 | 12.1 | – | – | 0.45 | 2.03 | 0.00 |
|---|
| minus 90° | 34.5 | 13.3 | 11.6 | 14.2 | 11.6 | 0.39 | 1.14 | 0.41 | 2.28 | 0.00 |
|---|
| minus 180° | 28.4 | 11.3 | 10.2 | 10.8 | 10.2 | 0.40 | 1.11 | 0.38 | 2.43 | 0.00 |
|---|
| MB.C.11545 | 41.5 | 13.0 | 12.2 | 20.6 | 12.2 | 0.31 | 1.07 | 0.50 | 2.01 | 0.00 |
|---|
| MB.C.32183 | 42.8 | – | 15.1 | 17.0 | 15.1 | – | – | 0.40 | 2.39 | 0.00 |
|---|
| MB.C.32185 | 44.5 | 13.1 | 13.7 | 19.4 | 13.0 | 0.29 | 0.96 | 0.44 | 2.00 | 0.05 |
|---|
| minus 180° | 31.5 | 11.6 | 11.5 | 11.8 | 10.9 | 0.37 | 1.01 | 0.38 | 2.34 | 0.05 |
|---|
| minus 360° | 20.6 | 8.9 | 8.2 | 7.3 | 7.7 | 0.43 | 1.09 | 0.36 | 2.55 | 0.06 |
|---|
| minus 540° | 12.9 | 6.1 | 5.1 | 3.9 | 5.0 | 0.48 | 1.21 | 0.30 | 2.64 | 0.02 |
|---|
| minus 720° | 7.9 | 4.8 | 3.9 | 1.4 | 3.7 | 0.61 | 1.24 | 0.18 | 3.57 | 0.04 |
|---|
| minus 900° | 4.2 | 3.8 | 2.6 | – | 2.7 | 0.91 | 1.44 | – | 8.21 | – |
|---|
| MB.C.32186 | 38.2 | 13.1 | 11.6 | 17.6 | 11.1 | 0.34 | 1.13 | 0.46 | 1.99 | 0.04 |
|---|
| minus 180° | 27.1 | 9.4 | 8.9 | 11.3 | 8.7 | 0.35 | 1.05 | 0.42 | 2.17 | 0.03 |
|---|
| minus 360° | 18.4 | 7.4 | 6.8 | 6.8 | 6.6 | 0.40 | 1.09 | 0.37 | 2.44 | 0.03 |
|---|
| minus 540° | 11.7 | 5.9 | 4.8 | 3.5 | 4.8 | 0.51 | 1.24 | 0.30 | 2.83 | 0.00 |
|---|
| minus 720° | 7.0 | 4.8 | 3.5 | 1.3 | 3.4 | 0.69 | 1.38 | 0.19 | 3.79 | 0.02 |
|---|
| minus 900° | 3.6 | 3.6 | 2.2 | – | 2.4 | 1.02 | 1.66 | – | 9.89 | – |
|---|
| FMNH HS.P31459 | 44.0 | – | 14.5 | 19.6 | – | – | – | 0.45 | 2.22 | – |
|---|
| GIT 426-530 | 48.6 | 15.5 | 14.8 | 21.5 | 14.8 | 0.32 | 1.05 | 0.44 | 2.07 | 0.00 |
|---|
| GIT 225-1092 | 47.3 | 14.0 | 14.2 | 22.4 | 14.2 | 0.30 | 0.99 | 0.47 | 2.04 | 0.00 |
|---|
| minus 90° | 39.3 | – | 13.1 | 16.8 | 13.1 | – | – | 0.43 | 2.25 | 0.00 |
|---|
| minus 180° | 33.1 | 12.0 | 11.0 | 14.5 | 11.0 | 0.36 | 1.09 | 0.44 | 2.24 | 0.00 |
|---|
| minus 270° | 26.2 | 10.3 | 8.3 | 12.0 | 8.3 | 0.39 | 1.24 | 0.46 | 2.14 | 0.00 |
|---|
| minus 360° | 23.0 | 9.3 | 7.8 | 9.0 | 7.8 | 0.40 | 1.19 | 0.39 | 2.29 | 0.00 |
|---|
| GIT 426-498 | 57.2 | 16.5 | 15.5 | 29.6 | 15.5 | 0.29 | 1.07 | 0.52 | 1.88 | 0.00 |
|---|
| minus 90° | 48.8 | 16.2 | 13.6 | 23.7 | 13.6 | 0.33 | 1.19 | 0.48 | 1.93 | 0.00 |
|---|
| GIT 697-130 | 42.5 | 13.6 | 12.5 | 20.0 | 12.2 | 0.32 | 1.09 | 0.47 | 1.97 | 0.02 |
|---|
| minus 90° | 36.9 | 13.7 | 12.9 | 14.8 | 12.9 | 0.37 | 1.06 | 0.40 | 2.36 | 0.00 |
|---|
| GIT 697-567-1 | 41.6 | – | 12.6 | 19.1 | – | – | – | 0.46 | – | – |
|---|
| minus 90° | 34.9 | – | 11.3 | 15.1 | – | – | – | 0.43 | – | – |
|---|
| minus 180° | 29.0 | – | 9.9 | 12.9 | – | – | – | 0.44 | – | – |
|---|
| minus 270° | 23.5 | – | 8.5 | 9.8 | – | – | – | 0.42 | – | – |
|---|
| MB.C.646 | 31.79 | – | – | – | 10.26 | – | – | – | 2.18 | – |
|---|
| minus 90° | 26.29 | – | – | – | 8.43 | – | – | – | 2.17 | – |
|---|
| minus 180° | 21.53 | – | – | – | 7.41 | – | – | – | 2.32 | – |
|---|
| minus 360° | 13.92 | – | – | – | 5.26 | – | – | – | 2.58 | – |
|---|
| minus 540° | 8.86 | – | – | – | 3.91 | – | – | – | 3.20 | – |
|---|
| minus 720° | 4.95 | – | – | – | 2.85 | – | – | – | 5.56 | – |
|---|
| GIT 426-499 | | – | 16.13 | 21.51 | 16.13 | – | – | – | – | – |
|---|
| minus 90° | 41.50 | – | 13.36 | 18.79 | 13.36 | – | – | 0.45 | 2.17 | 0.00 |
|---|
| minus 270° | 28.14 | – | 9.30 | 11.91 | 9.30 | – | – | 0.42 | 2.23 | 0.00 |
|---|
| GIT 225-1062 | 34.27 | – | – | 15.79 | 10.77 | – | – | 0.46 | 2.13 | – |
|---|
| minus 180° | 23.50 | – | – | 9.90 | 7.71 | – | – | 0.42 | 2.22 | – |
|---|
| minus 270° | 19.26 | – | – | 7.62 | 6.88 | – | – | 0.40 | 2.42 | – |
|---|
| minus 360° | 15.79 | – | – | 5.78 | 5.89 | – | – | 0.37 | 2.54 | – |
|---|
| minus 540° | 9.90 | – | – | 2.81 | 4.11 | – | – | 0.28 | 2.93 | – |
|---|
| minus 630° | 7.62 | – | – | 1.66 | 3.49 | – | – | 0.22 | 3.40 | – |
|---|
| minus 720° | 5.81 | – | – | – | 2.97 | – | – | – | 4.18 | – |
|---|
| TUG 860-1309 | 23.29 | – | 7.99 | 9.75 | 7.99 | – | – | 0.42 | 2.32 | 0.00 |
|---|
| minus 90° | 19.03 | 8.00 | 6.43 | – | 6.43 | 0.42 | 1.24 | – | 2.28 | 0.00 |
|---|
| minus 180° | 15.3 | 7.6 | 5.56 | 5.46 | 5.56 | 0.50 | 1.37 | 0.36 | 2.46 | 0.00 |
|---|