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RT @EditorGeo: Nice article by Burrow about fin spines, dentigerous jaw, tooth whorls from Portuguese Silurian #IberianGeology https://t.c…
RT @EditorGeo: Nice article by Burrow about fin spines, dentigerous jaw, tooth whorls from Portuguese Silurian #IberianGeology https://t.c…
RT @EditorGeo: Nice article by Burrow about fin spines, dentigerous jaw, tooth whorls from Portuguese Silurian #IberianGeology https://t.c…
Nice article by Burrow about fin spines, dentigerous jaw, tooth whorls from Portuguese Silurian #IberianGeology https://t.co/Mg8ng8yXBd