The Appendages, Anatomy, and Relationships of Trilobites

by Percy E. Raymond

1826.—Om Palæaderna eller de så kallade Trilobiterna. Stockholm, Acad. Handl., pp. 113-152, 226-294.

1828.—Ueber die Palæaden, oder die sogennanten Trilobiten. Nuremberg.

Dana, J. D.

1871.—On the supposed legs of the trilobite, Asaphus platycephalus. Amer. Jour. Sci. (3), vol. 1, pp. 320-321, 386; Ibid. (3), vol. 3, 1872, pp. 221-222. Also printed in Ann. Mag. Nat. Hist, vol. 7, 1871, pp. 366, 451.

Dekay, J. E.

1824.—Observations on the structure of trilobites, and description of an apparently new genus. Ann. Lye. Nat. Hist. New York, vol. I, p. 174, 2 pls.; Isis (Encycl. Zeit.), Oken, 1825 and 1832.

Dollo, L.

1910.—La paléontologie éthologique. Bull. Soc. Beige de Geol., Pal., et d'Hydrol., vol. 23, pp. 377-421, figs. 1-13, pls. 7-11.

Eichwald, E. VON.

1825.—Geognostico-zoologicæ per Ingriam Marisque Baltici Provincias nee non de trilobitis observationes. Section 45.