Answers are grounded in this paper and cite their sources.
Analysis reveals historical trends in Boreal nautiloids, proposing a new zonal stratigraphy for this era.
Principal tendencies of historical development of Triassic Boreal nautiloids are under discussion. Basic assemblages of this group are identified, and a nautiloid zonal scheme is proposed.
No takes yet. Share an insight, caveat, or question.
Dagis et al. (1992) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: