The Downtonian and Devonian vertebrates of Spitzbergen
Subtitle: Pts. IV and V.
Series: Skrifter om Svalbard og Ishavet -- nrs. 40, 52
Publisher: Jacob Dybwad
Published: 1932
Place of publication: Oslo
Language: eng
Notes: At head of titles: Det Kongelige Departement for Handel, Sjøfart, Industri og Fiskeri, Norges Svalbard- og Ishavs-undersøkelser.
Table of contents: title: 4. Suborder Cyathaspida, by Johan Kiaer [cross], a prelimiary report ed. by A. Heintz.; title: 5. pt. 1. Suborder Cyathaspida, tribe Poraspidei, family Poraspidae Kiaer, by Johan Kiaer [cross] and Anatol Heintz.