An illustrated guide to the fossil barnacles (Cirripedia) from the Crags (Plio-Pleistocene) of East Anglia
Collins, J.S.H.; Donovan, S.K.; Mellish, C. (2014). An illustrated guide to the fossil barnacles (Cirripedia) from the Crags (Plio-Pleistocene) of East Anglia. Proc. Geol. Assoc. 125(2): 215-226. https://dx.doi.org/10.1016/j.pgeola.2014.01.004
In: Proceedings of the Geologists' Association. Geological Society Publishing House: Colchester. ISSN 0016-7878, more
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| Keywords |
Cirripedia [WoRMS]; Dictyoconus Blanckenhorn, 1900 † [WoRMS]
Marine/Coastal |
| Author keywords |
Pedunculate barnacles; Sessile barnacles; Rogerella; Stratigraphy |
| Authors | | Top |
- Collins, J.S.H.
- Donovan, S.K.
- Mellish, C.
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| Abstract |
The Plio-Pleistocene Crag deposits of East Anglia include a wealth of shelly remains, including barnacles, preserved variously as complete shells, their disarticulated plates and trace fossils. Herein, we present a field guide to these distinctive fossils, with diagnoses of all known taxa recorded from the Crags of East Anglia, supported by both line drawings and photographs. The known stratigraphic and geographic distribution within the study area are tabulated. Recognised species include the sessile barnacles Armatobalanus bisulcatus (Darwin), A. dolossus (Darwin), Balanus balanus (Linné), B. crenatus Bruguière, B. inclusus Darwin, Concavus concavus (Bronn), Chirona hameri (Ascanius), Megabalanus tintinnabulum (Linné), Conopea calceola (Ellis), Co. spongicola (Brown), Acasta undulata Darwin, Coronula barbara Darwin, Megatrema anglicum (G.B. Sowerby) and Verruca stroemia (Müller) (=14 species); two pedunculate forms, Scalpellum magnum Darwin and Lepas delicatula Withers; and the boring Rogerella isp. The greatest diversity of species is found in the Coralline Crag and Red Crag formations, both yielding 11 species, although only four are common to both. Barnacles are poorly represented in other Crag deposits. |
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