Evidence of reproductive biology is extremely rare in the fossil record. Recently the first known embryos were discovered within the Placodermi, an extinct class of armoured fish, indicating a viviparous mode of reproduction in a vertebrate group outsid
The amniotic egg with its complex fetal membranes was a key innovation in vertebrate evolution that ...
Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptation. We r...
Dermal bones are formed early during growth and thus constitute an important tool in studies of onto...
The extinct placoderm fishes were the dominant group of vertebrates throughout the Middle Palaeozoic...
Six enigmatic fossils from the Famennian (Devonian) Cleveland Shale in Ohio, U.S.A., are interpreted...
Recent finds demonstrate that internal fertilization and viviparity (live birth) were more widesprea...
Reproduction in jawed vertebrates (gnathostomes) involves either external or internal fertilization....
Reproduction in jawed vertebrates (gnathostomes) involves either external or internal fertilization....
Eggs or embryos have been reported in various groups of fossil reptiles, where viviparity is a commo...
perhaps the most remarkable of all sites of exceptional fossilization. Fossils interpreted as animal...
We report new discoveries of embryos and egg capsules from the Lower Cambrian of Siberia, Middle Cam...
Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptation. We r...
New excavations in the famous Monte San Giorgio area, close to the historical sites where the Cassin...
<div><p>Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptati...
The Gogo Formation of Western Australia preserves a unique Late Devonian (Frasnian) reef fauna. The ...
The amniotic egg with its complex fetal membranes was a key innovation in vertebrate evolution that ...
Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptation. We r...
Dermal bones are formed early during growth and thus constitute an important tool in studies of onto...
The extinct placoderm fishes were the dominant group of vertebrates throughout the Middle Palaeozoic...
Six enigmatic fossils from the Famennian (Devonian) Cleveland Shale in Ohio, U.S.A., are interpreted...
Recent finds demonstrate that internal fertilization and viviparity (live birth) were more widesprea...
Reproduction in jawed vertebrates (gnathostomes) involves either external or internal fertilization....
Reproduction in jawed vertebrates (gnathostomes) involves either external or internal fertilization....
Eggs or embryos have been reported in various groups of fossil reptiles, where viviparity is a commo...
perhaps the most remarkable of all sites of exceptional fossilization. Fossils interpreted as animal...
We report new discoveries of embryos and egg capsules from the Lower Cambrian of Siberia, Middle Cam...
Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptation. We r...
New excavations in the famous Monte San Giorgio area, close to the historical sites where the Cassin...
<div><p>Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptati...
The Gogo Formation of Western Australia preserves a unique Late Devonian (Frasnian) reef fauna. The ...
The amniotic egg with its complex fetal membranes was a key innovation in vertebrate evolution that ...
Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptation. We r...
Dermal bones are formed early during growth and thus constitute an important tool in studies of onto...
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