Anatomical studies on the arthrodiran head, 1 (Preface, geological and geographical distribution, the organisation of the arthrodires, the anatomy of the head in the Dolichothoraci, Coccosteomorphi and Pachyosteomorphi. Taxonomic appendix).
Sthm 1963. (KVAH) 4to. 481 pp. + 61 pl. + 1 folding pl. Numerous colour-illustrations in the text. All published. Near mint.
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