File:Haeckel Aspidonia.jpg

Summary
1. Limulus moluccanus (Clusius) = Tachypleus gigas (Müller, 1785), adult male from above 2. Limulus moluccanus (Clusius) = Tachypleus gigas (Müller, 1785), adult male from below 3. Limulus moluccanus (Clusius) = Tachypleus gigas (Müller, 1785), larva 4. Eurypterus Fischeri (Eichwald) = Eurypterus tetragonophthalmus (Fischer, 1839) / Baltoeurypterus tetragonophthalmus (Fischer, 1839), from above 5. Pterygotus anglicus (Agassiz) = Pterygotus anglicus Agassiz, 1844, from above 6. Trinucleus Goldfussi (Barrande) = Onnia goldfussi (Barrande, 1846), from above 7. Deiphon Forbesi (Barrande) = Deiphon forbesi Barrande, 1850, from above 8. Phacops latifrons (Bronn) = Phacops latifrons (Bronn, 1825), curled-up individual (8a: from forward, 8b: from the side) 9. Dalmania punctata (Barrande) = Asteropyge punctata (Steininger, 1831), from above 10. Ampyx Rouaulti (Barrande) = Raphiophorus rouaulti (Barrande, 1852), from above 11. Paradoxides bohemicus (Boeck) = Paradoxides bohemicus (Boeck, 1828), from above 12. Cheirurus insignis (Beyrich) = Cheirurus insignis Beyrich, 1845, from above 13. Acidaspis Dufresnoyi (Barrande) = Selenopeltis buchi (Barrande 1846), from above 14. Megalaspis extenuatus (Angelin) = Megistaspidella extenuata (Wahlenberg, 1821), from above 15. Harpes ungula (Sternberg) = Bohemoharpes ungula (Sternberg, 1833) (15a: from above, 15b: from the side) 16. Agnostus pisiformis (Linné) = Agnostus pisiformis (Linnaeus, 1757), from above 17. Lichas palmata (Barrande) = Trochurus speciosus Beyrich, 1845, from above 18. Hydrocephalus saturnoides (Barrande) = Eccaparadoxides pusillus (Barrande, 1846) / Phanoptes pusillus (Barrande, 1846), from above 19. Sphaerexochus mirus (Beyrich) = Sphaerexochus mirus Beyrich, 1845, fron the side 20. Triarthrus Becki (Beecher) = Triarthrus becki Green 1832 (20a: from above, 20b: from below) Date: 1904 Source: Kunstformen der Natur (1904), plate 47: Aspidonia