Tullimonstrum, colloquially known as the Tully monster or sometimes Tully's monster, is an extinct genus of soft-bodied bilaterian animal that lived in shallow tropical coastal waters of muddy estuaries during the Pennsylvanian geological period, about 300 million years ago.

Mar 16, 2016 · Found by the dozens in the roughly 300-million-year-old rock of Mazon Creek, Illinois, the Tully Monster was a tiny terror—the largest specimens stretch a little more than a foot long. But they...

Apr 25, 2023 · If it was a vertebrate, then the Tully monster would fill a critical gap in evolutionary history, connecting jawless fish (such as lampreys and hagfish) to jawed fish.

Mar 16, 2016 · More than 60 years after its discovery, Illinois’ bizarre state fossil —a soft-bodied “monster” that swam in rivers more than 300 million years ago—has been identified as a vertebrate. That puts...

Apr 19, 2023 · Researchers close in on a taxonomic home for one of paleontology’s weirdest wonders, the Tully Monster. A group of Tully Monsters (Tullimonstrum gregarium) swimming. Few creatures in the...

May 27, 2024 · The Tully monster existed 300 million years ago on Earth. It lived in the Pennsylvanian geological period and the Carboniferous Period. Its fossils were found in Illinois, United States. Considering the place where its fossil was discovered, the Tully monster favored the shallow tropical coastal waters of muddy estuaries as part of its habitat.

Apr 17, 2023 · For more than half a century, the Tully monster (Tullimonstrum gregarium), an enigmatic animal that lived about 300 million years ago, has confounded paleontologists, with its strange anatomy...

Mar 16, 2016 · The Tully monster (Tullimonstrum), a problematic fossil from the 309–307-million-year-old Mazon Creek biota of Illinois, is shown to be not only a vertebrate but also akin to lampreys ...

Nov 24, 2017 · 自从被发现以来，研究者们已经争论了60年，却仍然不知道它到底是什么鬼东西。 它就是大名鼎鼎的“ 塔利怪物 （Tully Monster）”，学名 Tullimonstrum gregarium。 塔利怪物的复原图。 这幅怪形怪相，放到寒武纪的众生图里毫无违和感，但它却出现在石炭纪的晚期。 图片来源自网络。 如果只是找到了几块残破的骨头碎片或者爬行痕迹也就罢了——资料不全嘛，巧妇也难为无米之炊不是？ 可已经出土的塔利怪物化石标本足足有上千块，而且保存相当精良，连肌 …

The Tully Monster was a soft-bodied animal. It is preserved as outlines and flattened forms in nodules of ironstone from several areas in Illinois. It lived in the ocean that covered much of Illinois during the Pennsylvanian Period (about 300 million years ago).