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FIELDIANA: GEOLOGY, VOLUME 14
 Fig. 53. Ornamentation on posterior part of prosoma of Syntomopterus richardsoni, n. sp., holotype, PE5120; ✕ 2.5. A portion of front margin may be seen at upper left of specimen. |
Measurements
| Holotype | mm. | ||
| Prosoma length | 30.3 | ||
| Prosoma width behind eyes | 53.0 | ||
| Prosoma width at base | 58.0 | ||
| Compound eyes located on prosoma: | |||
| From anterior margin | 14.5 | ||
| From posterior margin | 11.3 | ||
| From lateral margin | 17.5 | ||
| Distance between eyes | 10.5 | ||
| Length of eye | 3.5 | ||
| Width of visual area | 1.0 | ||
| Width of palpebral lobe | 2.0 | ||
| Width of rim at anterior of carapace | 1.2 | ||
| Paratype PE5121 (figs. 48, 49, 52) | |||
| Length of compound eye | 3.5 | ||
| Distance from eye to posterior margin | 15.6 | ||
Two paratypes (PE5122 and PE5123) retain parts of some of the tergites, probably from the metasoma. These have the same pustular ornamentation that occurs on the prosoma. On the posterior edge
