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Sharpirhynchia
''Sharpirhynchia sharpi'' (synonym ''Kallirhynchia sharpi'') is a species of extinct, small-sized lampshell, named after Samuel Sharp (1814–1882), an early fossil collector, who discovered the limited time span of some fossils, now known as index fossils .〔(Jurassic Way, a Northamptonshire country path )〕 ''S. sharpi'' is a marine rhynchonellate brachiopod in the family Rhynchonellidae. It is roughly ½ inch (1.25 cm) measured along the axis, with a slender beak, the brachial valve more convex than the pedunculate valve, and it has 21–31 ribs fanning out from the hinge.
==Distribution==
Fossils of '' Sharpirhynchia sharpi '' lived during the Middle Jurassic (Lower Bathonian) of United Kingdom. The specimen that the description is based upon was collected at the sharpi bed of Limekiln Quarry, Hopping Hill, near Northampton, England. Further collections originate from: Cranford South Quarry, Kettering; Corby, Lincolnshire; Islip, Northamptonshire; Cranwell Village, St. Giles, Lincolnshire, England;〔Shi, Xiao-ying and Richard E. Grant. Jurassic Rhynchonellids: internal structures and taxonomic revisions — (Smithsonian contributions to paleobiology ; no. 73) ()〕 Sharnbrook, Bedfordshire, East Anglia;〔(Earth Lab Datasite, Natural History Museum, UK )〕 Woodeaton, Oxfordshire;〔(webshop of E.R. Matheau-Raven )〕 north-east of Oundle, Northants., and at Thrapston, Northants.〔British Geological Survey, National Envriionmental Research Council () ()〕
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