Results 201 to 206 of about 1,690 (206)

Histologic studies of ostracoderms, placoderms and fossil elasmobranchs. 6. Hard tissues of Ordovician vertebrates

, 1989
Tor Ørvig
semanticscholar   +1 more source

Live birth in the Devonian period

Nature, 2008
John A Long, Kate M Trinajstic, Gavin C Young   +2 more
exaly  

On high-armor bothriolepidid placoderms (Pisces, Placodermi, Bothriolepididae) from the Upper Devonian of the southern Ural Mountains and Kuznetsk Coal Basin

, 2010
S. Moloshnikov
semanticscholar   +1 more source

Isolation of Sexual Strains of Placoderm Desmids

Bulletin of the Torrey Botanical Club, 1955
openaire   +1 more source

The oral region of ostracoderms and placoderms, possible phylogenetic significance

American Journal of Science, 1970
openaire   +1 more source

Late emsian placoderms of Belarus

2015
openaire   +1 more source