Manfredaster bulbiferus and Valettaster argus |
An exceptional and unique specimen; a large and beautifully preserved example of Manfredaster bulbiferus is associated with two well preserved examples of Valettaster argus (x1.0, White Chalk, Charlton Kent, Ogle Collection, BMNH (British Museum (Natural History) London) E344. Image © 2005 The Natural History Museum, by kind permission.