ðɪ ˈænɪməlz hæd kæntˈiːnʃˈeɪpt bˈɑːdi ˈɑːɹmɚ ænd hæd lˈɑːɹdʒ bɹˈæŋkɪəl plˈeɪts ðæt ɛkstˈɛndᵻd ˈaʊt ænd kˈɜːvd dˈaʊnwɚd ɪn ɐ tɹaɪˈæŋɡjʊlɚ ʃˈeɪp, vˈɛɹi sˈɪmɪlɚ tə ðoʊz ʌvðə pˈɪknəstˌeɪdz.
The animals had canteen-shaped body armor and had large branchial plates that extended out and curved downward in a triangular shape, very similar to those of the pycnosteids.