30562 - Well Preserved 0.31 Inch Grandagnostus Middle Cambrian Trilobite - Tasmania, Australia Thorectichthys rhadinus Sister taxa: Aayemenaytcheia

Sister taxa: Aayemenaytcheia

Fillmore Formation

with bicarinate

• Carboniferous of Canada (7: New Brunswick

and typically at some growth stage

30562 - Well Preserved 0.31 Inch Grandagnostus Middle Cambrian Trilobite - Tasmania, Australia Thorectichthys rhadinus Sister taxa: AayemenaytcheiaGrandagnostus, Howell 1935 (trilobite) Trilobita Agnostida PaleoDB taxon number: 19232 Parent taxon: Agnostina according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Glaberagnostus, Hastagnostus, Megagnostus, Phoidagnostus, Quadragnostidae, Skryjagnostus, Valenagnostus Subtaxa: none Ecology: slow moving epifaunal detritivore Age range: 501. 0 to 488. 3 Ma