. "Trigoniulus frater" . "Trigoniulus frater" . "Chamberlin, 1918" . _:b75757394 . _:b76651070 . . . _:b76651070 . . _:b75757394 "GBIF id" . _:b75757394 . "Trigoniulus frater Chamberlin, 1918" . . _:b75757394 . "892267" . "941085" . . _:b76651070 "WoRMS id" . . . "9806223" . . _:b76651070 "941085" . _:b76651070 . . . _:b75757394 "9806223" .