But the subfamily who undertook a large expansion during Neogene was, by far, the
subfamily Pliohyracinae. Following M eyer (1978) the most ancient findings of this subfamily …

Scanning electron microscopy: Sequence of anchor formation in Synaptula hydriformis.
formation begins before the flukes and stocks appear. The plate is first formed as a small bar …

The metriorhynchids from the Jurassic of Normandy have been known since the 19th
century. However, the remains studied until now have rarely been found in anatomical …

The Lourinhã Formation (Kimmeridgian-Tithonian) of Central West Portugal is well known
for its diversified dinosaur fauna similar to that of the Morrison Formation of North America; …

A well preserved left dentary of the thylacoleonid Wakaleo vanderleueri Clemens and Plane
was recovered from the mid Miocene Camfield Beds (Bullock Creek local fauna) of the …

The earliest mammaliaforms are difficult to assess because the fossil record is poor and
because their distinctive morphologies cannot be directly compared with more recent …

Pachystropheus rhaeticus is a primarily marine diapsid reptile found in Upper Triassic
(Rhaetian) deposits in Britain and continental Europe. Although known for a long time …

Thylacocephalans are enigmatic euarthropods, known at least from the Silurian to the
Cretaceous. Despite remaining uncertainties concerning their anatomy, key features can be …

The enigmatic marine reptile Helveticosaurus zollingeri, from the Middle Triassic Besano
Formation of Monte San Giorgio, is known from three specimens found in Swiss territory …