... Ottoia's “pharyngeal” teeth could macerate the conch shells of the hyoliths, nor could Ottoia digest them chemically along with the soft matter. Along with sediment, the conches passed through Ottoia. And presumably, the helens could be ...

... Ottoia prolifica . Ottoia tenuis stratigraphic position and association . prolifica Walcott , new species described .. figured , pl . 19 , figs . 1-5 ...... associated with Planolites sp . ? .. compared with Aysheaia pedunculata ...

PAGE Ottoia Walcott , new genus described .... compared with Sipunculoidea discussed genotype , Ottoia prolifica geographic distribution stratigraphic range suggests Hirudinea ( leeches ) . Polychaeta ... minor Walcott , new species ...

... Ottoia prolifica . Ottoia tenuis stratigraphic position and association . prolifica Walcott , new species described ... figured , pl . 19 , figs . 1-5 ...... .. associated with Planolites sp . ? .. compared with Aysheaia pedunculata ...

... Ottoia prolifica . Ottoia tenuis stratigraphic position and association . prolifica Walcott , new species described .. figured , pl . 19 , figs . 1-5 ...... associated with Planolites sp . ? . compared with Aysheaia pedunculata . Ottoia ...

... Ottoia to any of the existing orders of the Gephyrea . The presence of an anterior , retractile , or introvertible proboscis , and the elongate cylindrical shape of the body is essentially ... Ottoia, new genus Ottoia prolifica, new species.

... Ottoia from the Burgess Shale preserved with three hyolith conches in the gut. Length ~8 cm. Gut. Hyoliths. Ottoia. Head. genera of priapulids in addition to Ottoia: these are Ancalagon (fig. 7.14), Fieldia, Louisella, and Selkirkia. Ottoia ...

Simon Conway Morris. 1912 Ottoia prolifica Walcott , p . 153 . 1912 Ottoia prolifica Walcott , p . 188 , 190 . 1925 Ottoia prolifica Ruedemann , p . 85 . 1931 Ottoia prolifica Roy and Croneis , p . 241 . 1931 Miskoia placida Walcott , p ...

... Ottoia roughly resembles its modern- day cousins, both in body shape and in having a retractable spiny feeding proboscis. A 505-million-year-old spiny penis worm might not sound terrifying to you (or perhaps the image it conjures does) ...

... Ottoia's gut reveal that it was a cannibal , preying on its own kind as well as devouring small shelled animals . Ottoia is one of the most common early Cambrian fossils , with around 1,500 known specimens . Ottoia fossil Hallucigenia ...