Geragnostus quadratus Kobayashi
| 1937. | Geragnostus quadratus Kobayashi Syntype Kobayashi, T. 1937c p. 464, pl. 2, fig. 7 |
| Condition: | Missing |
| Preservation: | Dental modeling cast: The original specimen in the Geological Institute, Freiburg (Steinmann and Hoek's collection) |
| Taxonomy: | Arthropoda: |
| Geologic Time: | Paleozoic: |
| Kobayashi, T., 1937c: The Cambro-Ordovician shelly faunas of South America. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 4, pt. 4, pp. 369–522, pls. 1–8. (Reference No. 0102) |
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| Ichikawa, T. and Hayami, I., 1978, no. 2, p. 118. |
