Secret History
The fossils, discovered in the Borders, are going on display at the National Museum of Scotland in Edinburgh.
The find is said to unearth a "missing chapter" of the evolution story and overturn a long-held theory about evolution on Earth.
Scientist and broadcaster Sir David Attenborough described the discovery as "wonderful and exciting".
Romer's Gap, named after the American palaeontologist Alfred Sherwood Romer, is a gap in the fossil record, showing little evidence of life on land between around 345 and 360 million years ago.

Some ancient Maya deities were female and the women themselves served as heads of state and warlords until the Spanish colonization of Mexico in the 1500s.
"I think the popular belief is that they were restricted to the private household," said Shankari Patel, an anthropology graduate student at the University of California-Riverside. "The popular belief would be that women stay at home, they didn't really participate in the rituals that were very important in Maya society. The previous research I looked at left out women completely."

A book detailing the excavations is published by the Council for British Archaeology
The tiny island of St Helena, 1,000 miles off the coast of south-west Africa, acted as the landing place for many of the slaves, captured by the Royal Navy during the suppression of the slave trade between 1840 and 1872. During this period a total of around 26,000 freed slaves were brought to the island, most of whom were landed at a depot in Rupert's Bay. The appalling conditions aboard the slave ships meant that many did not survive their journey, whilst Rupert's Valley - arid, shadeless, and always windy - was poorly suited to act as a hospital and refugee camp for such large numbers. At least 5,000 people are likely to have been buried there.
Part of the cemetery was investigated between 2006 and 2008 in advance of a new road that had to pass through Rupert's Valley to provide access to the proposed airport project. Some 325 bodies in a combination of individual, multiple and mass graves were discovered. Only five individuals were buried in coffins: one adolescent and four still- or newborn babies. The remainder had been placed (or thrown) directly into shallow graves, before being hastily covered. In some cases mothers were buried with their presumed children, or sometimes the bodies were so close that there might have been a familial relationship.
At least eight people died and dozens had to be evacuated as the village was flooded because of a burst wall in the nearby Ivanovo dam. The flood destroyed several houses.
It was unclear whether the finds had been unearthed by the water flow or carried by the water, archaeologists from the Harmanli historical museum said.
The stone slab appeared to be part of a Roman-era public building, while the hexagonal column was specific for the early Ottoman era. A similar column had been found near the village in the 1960s, BNT said.

Hundreds of sheep walk up cloud-veiled mountain with herder following in the Basque region.
"Through detailed DNA analysis of samples from the French and Spanish Basque regions, the Genographic team found that Basques share unique genetic patterns that distinguish them from the surrounding non-Basque populations," Genographic said in a news statement. The Genographic Project seeks to chart new knowledge about the migratory history of the human species and answer age-old questions surrounding the genetic diversity of humanity.
The project is a nonprofit, multi-year, global research partnership of National Geographic and IBM with field support by the Waitt Family Foundation. At the core of the project is a global consortium of 11 regional scientific teams following an ethical and scientific framework and who are responsible for sample collection and analysis in their respective regions.
Published in the American Journal of Human Genetics, the Basque study was led by Lluis Quintana-Murci, principal investigator of Genographic's Western European regional center. "Our study mirrors European history and could certainly extend to other European peoples. We found that Basques share common genetic features with other European populations, but at the same time present some autochthonous (local) lineages that make them unique," said Quintana-Murci. "This is reflected in their language, Euskara, a non-Indo-European language, which altogether contributes to the cultural richness of this European population."
A whole new world of magic animals, brave young princes and evil witches has come to light with the discovery of 500 new fairytales, which were locked away in an archive in Regensburg, Germany for over 150 years. The tales are part of a collection of myths, legends and fairytales, gathered by the local historian Franz Xaver von Schönwerth (1810 - 1886) in the Bavarian region of Oberpfalz at about the same time as the Grimm brothers were collecting the fairytales that have since charmed adults and children around the world.
Last year, the Oberpfalz cultural curator Erika Eichenseer published a selection of fairytales from Von Schönwerth's collection, calling the book Prinz Roßzwifl. This is local dialect for "scarab beetle". The scarab, also known as the "dung beetle", buries its most valuable possession, its eggs, in dung, which it then rolls into a ball using its back legs. Eichenseer sees this as symbolic for fairytales, which she says hold the most valuable treasure known to man: ancient knowledge and wisdom to do with human development, testing our limits and salvation.
The Austrian Independent reported a professional music copyist in Tyrol identified the work was Mozart's and the Mozart Foundation said the find "is clearly written by the young Wolfgang Mozart." The previously unknown piece, which also dates back to the 18th century, is said to be an authentic Mozart creation. The exciting find was stumbled upon by a university lecturer as he was gathering pieces of music.
Hildegard Herrmann-Schneider, from the institute for Tyrolean music research at Innsbruck University, was reported to have been compiling handwritten pages for the Répertoire International des Sources Musicales, an international organization that catalogues preserved music, when he came across the centuries-old piano composition inside a music book that is estimated to originate around 1780.
In their new book Across Atlantic Ice, University of Exeter archaeologist Bruce Bradley and Smithsonian Institution colleague Dennis Stanford outline how they think early humans could have made it from Europe to the Americas between 18,000 and 25,000 years ago. The pair first proposed their controversial hypothesis thirteen years ago, but their new book attempts to solve one of the hypothesis's biggest problems: just how could humans have crossed the Atlantic?
Earlier versions of this hypothesis had required Bradley and Stanford to suggest the presence of advanced seafaring technology among these ancient humans that was on par with what the Polynesians used to colonize the Pacific. Their new idea is rather less far-fetched, suggesting that climate conditions during the time period created a sort of icy highway between France and North America. The authors say these ancient humans, known as the Solutrean culture, could have made it across the Atlantic use technology known to be in their possession.
During routine excavations on the northern side of the Amun-Re Temple in Luxor's famous Karnak temple complex, a team from the French-Egyptian Centre for the Study of the Karnak Temples this week unearthed a gate that they say has led to a significant breakthrough in archaeologists' understanding of Egypt's enigmatic 17th Dynasty. It was this dynasty that launched the military campaign that eventually succeeded in ridding Egypt of the tribe of invaders known as the "Hyksos."
The gate, carved out of limestone, is engraved with the name of a king called "Sen-Nakht-En-Re." Mansour Boreik, general supervisor of monuments in Luxor, told Ahram Online that this king's name was previously mentioned twice - during the Rameside period and during the reign of King Ahmose, the latter of whom is traditionally given credit for expelling the Hyksos from Egypt.
Boreik went on to note that, despite these earlier references to Sen-Nakht-En-Re, archaeologists had believed him to be an imaginary king, since no monuments had ever been found bearing his name. The recent discovery of the pharaoh's name on the gate in Karnak, however, strongly suggests that the king was, in fact, once a ruler of ancient Egypt.
Brazil, Sao Paulo's state. At "Ilhabela", (Beautiful Island) - an archipelago and city situated 4 miles off the coast of São Paulo state in Brazil, the coodinator of the Projeto de Gestão e Diagnóstico do Patrimônio Arqueológico de Ilhabela (Project Management and Diagnosis of the Archaeological Heritage of Ilhabela - GEDAI), maintained by the Instituto Histórico, Geográfico e Arqueológico da the Secretaria Municipal de Cultura (History, Geography and Archaeology Institute of the Municipal Culture), the archaeologist Mrs. Cintia Bendazzoli discovered an impotant mortuary archaeological site. The excavation was done on an emergency basis because of the imminent destruction of the material.
The place that was named "Toca da Caveira" (something like Hole of Skull or "Skull Burrow") had human skeletal remains, and funerary accompaniments like clay pot and stone tool, revealing a complex Indigenous funerary ritual. At the same time another two more sites were identified how belonging to the pré-colonizations epoch, but these - still have not been subjected to more detailed research.