Xenacanthus laevissimus (Agassiz, 1837) NHMUK PV P 7677 Holotype
country: United Kingdom
keyword time: Carboniferous, Pennsylvanian,
stratigraphy: Coal Measures SupergroupMiddle Coal Measures Group
location: Yorkshire; Tingley
specimens: 1
keyword time: Carboniferous, Pennsylvanian,
stratigraphy: Coal Measures SupergroupMiddle Coal Measures Group
location: Yorkshire; Tingley
specimens: 1
