What is Chomatodus?
'''''Chomatodus''''' (from [[Greek language|Greek]]: χωμα ''choma'', 'mound' and Greek: ὀδούς ''odoús'' 'tooth') is an extinct genus of [[Chondrichthyes|cartilaginous fish]] belonging to the family [[Petalodontidae]]. == Species == * †''Chomatodus affinis'' <small>Newberry & Worthen, 1866</small> * †''Chomatodus angulatus'' <small>Newberry & Worthen, 1866</small> * †''Chomatodus angustus'' <small>Newberry, 1879</small> * †''Chomatodus arcuatus'' <small>St. John, 1870</small> * †''Chomatodus chesterensis'' <small>St. John & Worthen, 1875</small> * †''Chomatodus comptus'' <small>St. John & Worthen, 1875</small> * †''Chomatodus costatus'' <small>Newberry & Worthen, 1866</small> * †''Chomatodus cultellus'' <small>Anonymous author(s)</small> * †''Chomatodus davisi'' <small>Woodward, 1889</small> * †''Chomatodus dentatus'' <small>Anonymous author(s)</small> * †''Chomatodus elegans'' <small>Newberry & Worthen, 1866</small> * †''Chomatodus gracillimus'' <small>Newberry & Worthen, 1866</small> * †''Chomatodus inconstans'' <small>St. John & Worthen, 1875</small> * †''Chomatodus incrassatus'' <small>Anonymous author(s)</small> * †''Chomatodus insignis'' <small>Leidy, 1857</small> * †''Chomatodus lamelliformis'' <small>Davis, 1884</small> * †''Chomatodus lanesvillensis'' <small>Anonymous author(s)</small> * †''Chomatodus linearis'' <small>Agassiz, 1843</small> * †''Chomatodus loriformis'' <small>Anonymous author(s)</small> * †''Chomatodus molaris'' <small>Newberry & Worthen, 1866</small> * †''Chomatodus newberryi'' <small>Anonymous author(s)</small> * †''Chomatodus parallelus'' <small>Anonymous author(s)</small> * †''Chomatodus piasaensis'' <small>Anonymous author(s)</small> * †''Chomatodus ponticulus'' <small>Anonymous author(s)</small> * †''Chomatodus pusillus'' <small>Newberry & Worthen, 1866</small> * †''Chomatodus selliformis'' <small>Anonymous author(s)</small> * †''Chomatodus varsouviensis'' <small>Anonymous author(s)</small> There is no [[type species]]. == Description == We don't know what it looks like. Some p