Headon Beds Gastropods and Chiton
Click on an image to view it at full resolution','Dostia aperta; Theodoxus apertus; Neritina aperta; Nerita aperta; Neritina forbesii','coll. Alan Morton','theape2.jpg','6.0',222,307,'Middle Headon Beds - Colwell'))
|  (coll. Alan Morton','operc.jpg','8.0',202,139,'Middle Headon Beds - Colwell'))
| ','Clithon (Pictoneritina) concavus; Theodoxus concavus; Neritina concava; Nerita concava','coll. Alan Morton','thecon3.jpg','6.0',248,333,'Middle Headon Beds - Colwell'))
|  concavus; Theodoxus concavus; Neritina concava; Nerita concava','operculum) (coll. Alan Morton','operc3.jpg','12.0',213,239,'Middle Headon Beds - Colwell'))
|
| Pseudodostia aperta (J. de C. Sowerby) 8mm | Pseudodostia aperta operculum 3mm | Pictoneritina concava (J. de C. Sowerby) 8mm | Pictoneritina concava operculum 4.5mm |
','Clithon (Pictoneritina) planulatus; Theodoxus planulatus; Neritina planulata','coll. Alan Morton','thepla.jpg','6.0',205,297,'Upper Headon Beds - Headon Hill'))
|  planulatus; Theodoxus planulatus; Neritina planulata','operculum) (coll. Alan Morton','operc2.jpg','12.0',289,199,'Upper Headon Beds - Headon Hill'))
|  headonensis','coll. Alan Morton) (conf. Malcolm Symonds','vithea.jpg','6.0',205,279,'Middle Headon Beds - Colwell'))
|  headonensis','coll. Alan Morton) (conf. Malcolm Symonds','vithea2.jpg','10.0',226,298,'Middle Headon Beds - Colwell'))
|
| Pictoneritina planulata (Edwards) 7mm | Pictoneritina planulata operculum 3.5mm | Vittoclithon headonensis Symonds 7mm | Vittoclithon headonensis Symonds 4.5mm |
','Melania fasciata','coll. Alan Morton) (conf. Nick Zachariades','bayfas.jpg','6.0',197,191,'Middle Headon Beds - Colwell'))
| ','Melania fasciata','with preserved colour banding) (coll. Alan Morton','bayfas3.jpg','10.0',273,274,'Middle Headon Beds - Colwell'))
| ','Melania fasciata','with preserved colour patterning) (coll. Alan Morton','bayfas4.jpg','18.0',221,278,'Middle Headon Beds - East Cowes'))
| ','Paludina lenta','coll. Alan Morton','vivlen.jpg','4.0',231,173,'Lower Headon Beds - Hordle'))
|
| Bayania fasciata (J.Sowerby) 7.5mm | Bayania fasciata (J.Sowerby) 6.5mm | Bayania fasciata (J.Sowerby) 3.5mm | Viviparus lentus (Solander) 20mm |
','Pasitheola eulimoides; Balanocochlis eulimoides','coll. Alan Morton','paseul.jpg','12.0',214,248,'Middle Headon Beds - Colwell'))
| )
| )
| ','Melania turritissima','coll. Alan Morton','pottur.jpg','5.0',193,233,'Lower Headon Beds - Milford'))
|
| Nozeba eulimoides (Cossmann) 2.5mm | Hydrobia sp. 3.5mm | Hydrobia sp. 2.7mm | Potamaclis turritissima (Forbes) 10mm |
','Melania per-acuminata','coll. Alan Morton) (det. Nick Zachariades','potper2.jpg','12.0',323,317,'Middle Headon Beds - New Forest'))
|  (conf. Nick Zachariades','sel2.jpg','12.0',205,168,'Lower Headon Beds - Hordle'))
|  (det. Nick Zachariades','sel1.jpg','12.0',193,180,'Middle Headon Beds - Colwell'))
| ','Nematura parvula','coll. Alan Morton) (det. Paul Jeffery','stepar.jpg','12.0',234,185,'Middle Headon Beds - Colwell'))
|
| Potamaclis peracuminata (Morris) 6mm | Sellia pulchra de Raincourt 3mm | Sellia pulchra de Raincourt 3mm | Stenothyra parvula (Morris) 3mm |
','Nystia headonensis; Tomichia polita; Bulimus politus','coll. Alan Morton','bouhea.jpg','8.0',245,205,'Upper Headon Beds - Headon Hill'))
| )
| )
| )
|
| Bouryia headonensis (Curry) 6mm | Pusillina sp. 2mm | Teinostoma complanatum Deshayes 1.2mm | Mathilda sp. 6.5mm |
','Melanoides acuta; Melania acuta; Melania muricata','coll. Alan Morton','melacu.jpg','4.0',189,224,'Middle Headon Beds - Colwell'))
| ','Melanopsis brevis','coll. Alan Morton','viv1.jpg','4.0',298,215,'Lower Headon Beds - Hordle'))
| ','Melanopsis subfusiformis','coll. Alan Morton','melfus.jpg','4.0',245,277,'Middle Headon Beds - Colwell'))
| )
|
| Tarebia acuta (J. Sowerby) 12mm | Coptostylus brevis (J. de C. Sowerby) 13mm | Melanopsis fusiformis (J. Sowerby) 31mm | Melanopsis subcarinata Morris 15mm |
','Potamides vagus; Cerithium pseudo-cinctum ','coll. Alan Morton','potvag.jpg','2.0',202,312,'Lower Headon Beds - Hordle'))
| ','Potamides vagus; Cerithium pseudo-cinctum ','coll. Alan Morton','potvag2.jpg','2.5',255,303,'Middle Headon Beds - Colwell'))
| ','Potamides trizonatus; Cerithium trizonatum','probably a worn form of <I>Ptychopotamides vagus</I>) (coll. Alan Morton','pottri.jpg','2.5',266,313,'Headon Beds - Colwell'))
| )
|
| Ptychopotamides vagus (Solander) 36mm | Ptychopotamides vagus (Solander) 30mm | Ptychopotamides trizonatus (Morris) 30mm | Potamides duplex J. Sowerby 24mm |
)
| ','Potamides funatus var. 1; Cerithium mutabile var.?','coll. Alan Morton','tymfun.jpg','2.0',262,293,'Middle Headon Beds - Colwell'))
| ','','juvenile form) (coll. Alan Morton','pot2.jpg','3.0',304,344,'Middle Headon Beds - Headon Hill'))
| ','Potamides ventricosus; Cerithium ventricosum','coll. Alan Morton','cerven.jpg','4.0',204,212,'Middle Headon Beds - Headon Hill'))
|
| Potamides varians Edwards MS 20mm | Tympanotonos funatus var.1 (Newton) 36mm | Tympanotonos funatus var.1 (Newton) juv. 27mm | Exechestoma ventricosum (J. Sowerby) 12mm |
','','coll. Alan Morton','batcon2.jpg','2.5',246,311,'Middle Headon Beds - Headon Hill'))
| )
| )
| )
|
| Batillaria concava (J. Sowerby) 29mm | Hemicerithium sp. 4mm | Hemicerithium sp. 5.5mm | Hemicerithium sp. 7mm |
','','coll. Alan Morton','ceralv2.jpg','24.0',282,332,'Middle Headon Beds - Whitecliff'))
| ','Lovenella helicoides','coll. Alan Morton','seila1.jpg','22.0',215,240,'Middle Headon Beds - Whitecliff'))
| ','Scala laevis; Scalaria laevis','coll. Alan Morton','scalae.jpg','4.0',238,271,'Middle Headon Beds - Colwell'))
| )
|
| Cerithiopsis alveolata (Deshayes) 3.2mm | Seila helicoides (Edwards MS) 3mm | Gyroscala laevis (J. Morris) 15mm | Acirsa tessellata Edwards MS 7.5mm |
)
| ','','incomplete) (coll. Alan Morton','vanalt.jpg','31.0',477,280,'Middle Headon Beds - Whitecliff'))
| )
| ','','coll. Alan Morton','rimrim.jpg','3.0',200,245,'Middle Headon Beds - Colwell'))
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| Acirsa tessellata Edwards MS 10mm | Vanikoro altus (Cossmann) 1.8mm | Sigapatella sp 14mm | Rimella rimosa (Solander) 17mm |
','Aporrhais margerini','coll. J.F. Jackson [Museum of Isle of Wight Geology MIWG1928]','apomar_miwg1928.jpg','2.5',325,362,'Middle Headon Beds - Whitecliff'))
| ','Aporrhais margerini','juvenile) (coll. Alan Morton','apomar2.jpg','6.0',279,358,'Middle Headon Beds - Whitecliff'))
| ','Xenophora agglutinans','incomplete) (coll. Alan Morton','xensch.jpg','5.0',234,330,'Middle Headon Beds - Whitecliff'))
| ','Ampullella grossa','coll. Alan Morton','glogro3.jpg','4.0',276,308,'Middle Headon Beds - Colwell'))
|
| Aporrhais speciosa (Schlotheim) 34mm | Aporrhais speciosa (Schlotheim) juv. 14mm | Xenophora schroeteri (Gmelin) 9.5mm | Ampullina grossa (Deshayes) 18mm |
','Ampullella parisiensis','coll. Steve Tracey) (det. Steve Tracey','ampparcb2.jpg','3.7',300,291,'Middle Headon Beds - Colwell'))
| )
| ) (coll. Alan Morton','operc4.jpg','15.0',305,226,'Middle Headon Beds - Whitecliff'))
|  (coll. Alan Morton','opercnat.jpg','8.0',169,113,'Middle Headon Beds - New Forest'))
|
| Ampullina parisiensis (d`Orbigny) 19mm | Natica epiglottina Lamarck 11mm | Natica epiglottina operculum 3.5mm | Natica ?burtoni operculum 3mm |
 (coll. Alan Morton','operc5.jpg','27.0',323,262,'Middle Headon Beds - Whitecliff'))
| ','Natica hantoniensis','coll. Alan Morton','sighan.jpg','6.0',261,226,'Middle Headon Beds - Colwell'))
| ','Natica obovata','coll. Alan Morton','sigobo.jpg','4.0',286,271,'Middle Headon Beds - Whitecliff'))
| )
|
| Naticid operculum 2.2mm | Sigatica hantoniensis (Pilkington) 9mm | Sigatica obovata (J. de C. Sowerby) 15mm | Euspira headonensis Wrigley 17mm |
','Semicassis ambigua; Cassis ambigua','coll. Alan Morton','scoamb.jpg','3.0',363,274,'Middle Headon Beds - Whitecliff'))
| ','Murex hantoniensis','coll. Alan Morton','murhan5.jpg','3.0',406,399,'Middle Headon Beds - Whitecliff'))
| ','Murex sexdentatus','coll. Alan Morton','urosex.jpg','2.0',160,178,'Middle Headon Beds - Colwell'))
| ','Murex sexdentatus','juvenile) (coll. Alan Morton','urosex2.jpg','8.0',295,217,'Middle Headon Beds - Colwell'))
|
| Sconsia ambigua (Solander) 20mm | Vauxyrytis hantoniensis (Edwards) 28mm | Jsowerbya sexdentata (J. de C. Sowerby) 18mm | Jsowerbya sexdentata (J. de C. Sowerby) juv. 6mm |
','','coll. Alan Morton','typpun.jpg','4.0',332,275,'Middle Headon Beds - Whitecliff'))
| ','Typhis schlotheimi','coll. Alan Morton','typsch.jpg','10.0',373,354,'Middle Headon Beds - Whitecliff'))
| )
| )
|
| Typhis pungens (Solander) 16mm | Lyrotyphis schlotheimi (Beyrich) 8.5mm | Pseudocominella semicostata Nuttall & Cooper 17mm | Pseudocominella semicostata Nuttall & Cooper 16mm |
','Cominella flexuosa','coll. Alan Morton','comfle.jpg','4.0',313,281,'Middle Headon Beds - Colwell'))
| ','','coll. Alan Morton','whisut.jpg','5.0',423,345,'Middle Headon Beds - Whitecliff'))
| )
|  (coll. Alan Morton','whitum2.jpg','8.0',340,266,'Middle Headon Beds - Whitecliff'))
|
| Colwellia flexuosa (Edwards) 15mm | Whitecliffia ?suturosa (Nyst) 16mm | Whitecliffia tumida Nuttall & Cooper 16mm | Whitecliffia tumida Nuttall & Cooper juv. 7mm |
','Cantharus labiatus; Pollia labiata; Pisania labiata','coll. Alan Morton','pollab.jpg','2.0',214,218,'Middle Headon Beds - Colwell'))
| )
| ','Leiostoma ovatum','an eroded specimen) (coll. Alan Morton','syc1.jpg','2.5',385,326,'Middle Headon Beds - New Forest'))
| )
|
| Editharus labiatus (J. de C. Sowerby) 25mm | Coptochetus sp. 7.5mm | Sycostoma ovatum (Beyrich) 30mm | Clavilithes conjunctoides Grabau 51mm |
 (coll. Alan Morton','clacon4.jpg','3.0',236,377,'Middle Headon Beds - Whitecliff'))
| ','Voluta depauperata','coll. Alan Morton) (det. Paul Jeffery','vol1.jpg','3.0',227,230,'Middle Headon Beds - Colwell'))
| ','Voluta spinosa','coll. Alan Morton','volspi.jpg','3.0',426,318,'Middle Headon Beds - Whitecliff'))
| ','Voluta geminata','coll. Alan Morton','volgem.jpg','2.5',325,305,'Middle Headon Beds - New Forest'))
|
| Clavilithes conjunctoides Grabau juv. 30mm | Volutospina depauperata (J. de C. Sowerby) 18mm | Volutospina spinosa (Linnaeus) 24mm | Neoathleta geminata (J. de C. Sowerby) 29mm |
','Volutospina dunkeri; Voluta suturalis var. contabulata','coll. Alan Morton','volsut3.jpg','1.5',328,317,'Middle Headon Beds - Whitecliff'))
| ','Voluta maga','coll. G.T. Woods [Museum of Isle of Wight Geology MIWG4061]','lyrdec_miwg4061.jpg','2.0',344,350,'Middle Headon Beds - Whitecliff'))
| ','Olivella branderi; Oliva branderi','coll. Alan Morton','olibra.jpg','6.0',351,323,'Middle Headon Beds - Headon Hill'))
| ','Ancilla buccinoides','coll. Alan Morton','ancbuc.jpg','2.0',246,298,'Middle Headon Beds - Colwell'))
|
| Neoathleta dunkeri (Speyer) 45mm | Lyria decora (Beyrich) 45mm | Pseudolivella branderi (J. Sowerby) 12mm | Ancillus buccinoides (Lamarck) 33mm |
','','coll. Alan Morton','con1.jpg','12.0',296,275,'Middle Headon Beds - Whitecliff'))
| )
| )
| ','Marginella vittata','coll. Alan Morton','gibvit.jpg','10.0',378,278,'Middle Headon Beds - East Cowes'))
|
| Conomitra abbreviata (Edwards MS) 5mm | Conomitra sp. 8mm | Gibberula aestuarina 3mm | Gibberula vittata (Edwards) 5.7mm |
','Cancellaria pyrgota','coll. Alan Morton','bonpyr.jpg','2.0',251,200,'Middle Headon Beds - Colwell'))
| )
| ','Cancellaria elongata','coll. Alan Morton','uxielo2.jpg','10.0',331,266,'Middle Headon Beds - Whitecliff'))
| )
|
| Bonellitia pyrgota (Edwards) 24mm | Bonellitia lattorfensis Wrigley 5mm | Uxia elongata (Nyst) 6mm | Uxia elongata vectensis Wrigley 8mm |
','Pleurotoma transversaria','coll. Alan Morton','orttra.jpg','4.0',267,330,'Middle Headon Beds - New Forest')){kind=spacer}
| ','Pleurotoma transversaria','coll. Alan Morton','orttra2.jpg','2.5',310,354,'Middle Headon Beds - New Forest')){kind=spacer}
| ','Pleurotoma cymaea','coll. J.F. Jackson [Museum of Isle of Wight Geology MIWG1989]','surcym_miwg1989.jpg','3.5',316,355,'Middle Headon Beds - Whitecliff'))
| ','Pleurotoma cymaea','juvenile) (coll. Alan Morton','surcym.jpg','10.0',340,331,'Middle Headon Beds - New Forest'))
|
| Orthosurcula cypha (Edwards) 20mm | Orthosurcula cypha (Edwards) 33mm | Surcula cymaea (Edwards) 24mm | Surcula cymaea (Edwards) juv. 8mm |
','Gemmula plebeia odontella; Pleurotoma denticula odontella','coll. Alan Morton','gemple.jpg','4.0',171,215,'Middle Headon Beds - Colwell'))
| ','Pleurotoma hantoniensis','coll. Alan Morton','plehan.jpg','2.0',208,236,'Middle Headon Beds - Whitecliff'))
| ','Pleurotoma ?scabriuscula','coll. Alan Morton) (det. Steve Tracey','trip1.jpg','12.0',317,292,'Middle Headon Beds - Whitecliff'))
| ','Pleurotoma headonensis','coll. Alan Morton','plehea.jpg','8.0',216,252,'Middle Headon Beds - Whitecliff'))
|
| Gemmula odontella (Edwards) 12mm | Bathytoma hantoniensis (Edwards) 28mm | Tripia ?scabriuscula (Edwards) 6mm | Asthenotoma headonensis (Morris) 7.5mm |
','Pleurotoma helicoides','coll. Alan Morton','asthel.jpg','10.0',306,314,'Middle Headon Beds - Whitecliff'))
|  (coll. Alan Morton','un9.jpg','6.0',206,191,'Middle Headon Beds - New Forest'))
|  (coll. Gordon Stone','un11.jpg','12.0',288,230,'Middle Headon Beds - New Forest'))
| ','Pleurotoma ?pyrgota','coll. J.F. Jackson [Museum of Isle of Wight Geology MIWG2160]','dom_miwg2160.jpg','4.0',167,219,'Middle Headon Beds - Whitecliff'))
|
| Asthenotoma helicoides (Edwards) 7mm | Unidentified 7mm | Unidentified 4.5mm | Domenginella ?pyrgota (Edwards) 12mm |
','Borsonia sulcata','coll. Alan Morton','borsul.jpg','6.0',293,296,'Middle Headon Beds - Colwell'))
| )
| )
| ','Conorbis alatus </I>var.<I> hemilissa','coll. Alan Morton','conpro.jpg','3.0',419,319,'Middle Headon Beds - Whitecliff'))
|
| Cordieria sulcata (Edwards) 10mm | Pleurotomella sp. 2.5mm | Amblyacrum sp. 5mm | Conorbis procerus (Beyrich) 25mm |
','Conorbis dormitor </I>var.<I> seminuda','coll. [Museum of Isle of Wight Geology MIWG749]) (det. Steve Tracey','conpro_miwg749.jpg','4.0',334,341,'Middle Headon Beds - Whitecliff'))
| )
| )
| ','Solidula simulata','coll. J.F. Jackson [Museum of Isle of Wight Geology MIWG1927]','torsim_miwg1927.jpg','4.0',226,292,'Middle Headon Beds - Whitecliff'))
|
| Conorbis seminudus (Edwards) 20mm | Acteon sp. 4mm | Acteon sp. 5.5mm | Tornatellaea simulata (Solander) 18mm |
)
| )
| )
| )
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| Ringicula sandbergeri Morlet 2mm | Cylichna ?conoidea Sandberger 2.7mm | Cylichna sp. 4mm | ?Cylichna sp. 4mm |
','Atys lamarcki','coll. Alan Morton','bull1.jpg','8.0',191,181,'Middle Headon Beds - Colwell'))
| )
| )
| ','Syrnola gracilis; Obeliscus gracilis','coll. Alan Morton','cosgra.jpg','12.0',274,331,'Middle Headon Beds - Colwell'))
|
| Roxania lamarcki (Deshayes) 5mm | Volvulella sp. 3.2mm | Odostomia sp. 3.5mm | Cossmannica gracilis (Edwards MS) 6mm |
)
| ','Eulimella gracilis; Aciculina gracilis','coll. Alan Morton','belgra.jpg','20.0',252,201,'Middle Headon Beds - Colwell'))
|  (det. Gordon Stone','turpul.jpg','16.0',274,237,'Middle Headon Beds - New Forest'))
| )
|
| Cossmannica sp. 8mm | Belonidium gracile (Deshayes) 2mm | Turbonilla pulchra Deshayes 3mm | Turbonilla sp. 4.5mm |
)
| ','Lymnaea longiscata','coll. Alan Morton','gallon.jpg','2.0',275,314,'Upper Headon Beds - Colwell'))
| )
| ','Planorbis euomphalus','coll. Alan Morton','plaeuo3.jpg','1.5',285,428,'Upper Headon Beds - Headon Hill'))
|
| Pythiopsis sp. 11mm | Galba longiscata (Brongniart) 37mm | Lymnaea ?angusta Edwards 16mm | Australorbis euomphalus (J. Sowerby) 31mm |
','Planorbis obtusus','coll. Alan Morton','plaobt.jpg','4.0',274,397,'Middle Headon Beds - Colwell'))
| ','Planorbis elegans','coll. Alan Morton','plaele.jpg','30.0',254,328,'Middle Headon Beds - East Cowes'))
|  (coll. Alan Morton','iscvec4.jpg','16.0',202,189,'Middle Headon Beds - Colwell'))
|  (coll. Alan Morton','iscvec.jpg','16.0',266,356,'Middle Headon Beds - Colwell'))
|
| Hippeutis obtusus (J. Sowerby) 11mm | Anomalorbina elegans (Edwards) 1.5mm | Ischnochiton vectensis Wrigley 2.3mm | Ischnochiton vectensis Wrigley 3mm |
 (coll. Alan Morton','iscvec3.jpg','16.0',196,209,'Middle Headon Beds - Colwell'))
| |||
| Ischnochiton vectensis Wrigley 2.3mm |
