Class
Xiphosura Latreille, 1802
Aiheeseen liittyvät julkaisut
Lamsdell, J. C. 2013. Revised systematics of Palaeozoic ‘horseshoe crabs’ and the myth of monophyletic Xiphosura.Zoological Journal of the Linnean Society 167 , 1,1-27. DOI:10.1111/j.1096-3642.2012.00874.x
Jackson, R. T. 1906. A new species of Fossil Limulus from the Jurassic of Sweden.Arkiv För Zoologi 3 , 11,1-7.
Nieszkowski, J. 1859. Zusätze zur Monographie der Trilobiten der Ostseeprovinzen, nebst der Beschreibung einiger neuen obersilurischen Crustaceen.Archiv für die Naturkunde Liv-, Ehst- und Kurlands 2 , 2,345-384.
List of species
1. Bunodes lunula Eichwald, 1854 | Rootsiküla Stage
2. Bunodes rugosus Nieszkowski, 1859 | Rootsiküla Stage
3. Exapinurus schrenkii (Nieszkowski, 1859) | Rootsiküla Stage
4. Limulus nathorsti Jackson, 1906, nomen dubium | Jurassic
6. Pseudoniscus aculeatus Nieszkowski, 1859 | Rootsiküla Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Chelicerata |
| Superclass | Euchelicerata |
| Class | Arachnida |
| Merostomata | |
| Pycnogonida | |
| Xiphosura | |
| Family | Xiphosurida |
| Order | Eurypterida |