30144 - Top Well Preserved 1.39 Inch Tsinania laebigate Cambrian Trilobite - China Brachylophosaurus The rostrum most likely would

The rostrum most likely would have had electrosensors to detect food in the water below them like most modern sharks and some rays

Congosaurus

Dysplanus centrotus (Dalman 1827)

ureilites tend to have a high percentage of carbon (average 3% by weight) in the form of graphite and nanodiamonds

2 Type spec location: MNB Main mass: Said Yousfi Comments: Submitted by Ansgar Greshake Institutions

30144 - Top Well Preserved 1.39 Inch Tsinania laebigate Cambrian Trilobite - China Brachylophosaurus The rostrum most likely wouldTsinania, Walcott 1914 (trilobite) Trilobita Corynexochida Tsinaniidae PaleoDB taxon number: 19709 Parent taxon: Tsinaniidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Leiaspis, Shergoldia, Taipaikia, Zhujia Subtaxa: Tsinania canens View classification Ecology: nektobenthic carnivore Environments: carbonate (2 collections), (1), marine (1), slope (1), offshore shelf (1) Age range: 488. 3 to 478. 6 Ma