Mentioned as nomen nudum in Newton (1891), based on a manuscript name of Edwards. [details]
Introduced as new species despite listing Gardner's entry in the synonymy list, obviously considering his record ... [details]
"Headon Hill" (near Totland, Isle of Wight, United Kingdom) [details]
"Headon Hill" (near Totland, Isle of Wight, United Kingdom) [details]
"Finchley" (London, United Kingdom) [details]
"Headon Hill" (near Totland, Isle of Wight, United Kingdom) [details]
London (Peckham), London, United Kingdom; Woolwich Formation, late Thanetian, late Paleocene [details]
"Headon Hill" (near Totland, Isle of Wight, United Kingdom) [details]
"Headon Hill" (near Totland, Isle of Wight, United Kingdom) [details]