Results 121 to 130 of about 841 (169)
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Biological Reviews, 1957
Summary1. Terminology is explained, and the importance emphasized of work, mostly published during the last 10 years, on extraordinarily well‐preserved exoskeletons replaced by quartz. The need for a reconsideration of theories derived from ontogenetic studies is evident.2. The protaspis is of sub‐hemispherical to spherical form, i mm.
openaire +1 more source
Summary1. Terminology is explained, and the importance emphasized of work, mostly published during the last 10 years, on extraordinarily well‐preserved exoskeletons replaced by quartz. The need for a reconsideration of theories derived from ontogenetic studies is evident.2. The protaspis is of sub‐hemispherical to spherical form, i mm.
openaire +1 more source
Computational fluid dynamics confirms drag reduction associated with trilobite queuing behaviour
Palaeontology, 2021Imran A Rahman +2 more
exaly
A new conocoryphid trilobite from the Lower Cambrian of the Flinders Ranges, South Australia
Alcheringa, 1992J B Jago
exaly