Journal Articles


  • Fralick, P. and Riding, R. 2015. Steep Rock Lake: Sedimentology and geochemistry of an Archean carbonate platform. Earth-Science Reviews, 151: 132-175. Download PDF (22Mb)
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  • Matysik, M., Al-Ramadan, K., and Riding, R. 2015. Composition and morphology of Early Devonian microbial and metazoan patch reefs: Qasr Member of the Jauf Formation, northwestern Saudi Arabia. Journal of Sedimentary Research, 85: 45-61. Download PDF (7.5Mb)
  • Wu, Y-S., Yu, G-L., Li, R-H., Song, L-R., Jiang, H-X., Riding, R., Liu, L-J., Liu, D-Y., and Zhao, R. 2014. Cyanobacterial fossils from 252 Ma old microbialites and their environmental significance. Scientific Reports 4, 3820, doi:10.1038/srep03820


  • Riding, R., Fralick, P., and Liang, L. 2014. Identification of an Archean marine oxygen oasis. Precambrian Research 251, 232-237 Download PDF (1.7Mb)
  • Riding, R., Liang, L., and Braga, J.C. 2014. Millennial-scale ocean acidification and late Quaternary decline of cryptic bacterial crusts in tropical reefs. Geobiology 12, 387-405. Download PDF (1.2Mb)
  • Sanfilippo, R., Rosso, A., Guido, A., Mastandrea, A., Russo, F., Riding, R., and Ruggiero, E.T. 2014. Metazoan/microbial biostalactites from present-day submarine caves in the Mediterranean Sea. Marine Ecology (2014) 1-17.
  • Liu, L., Wu, Y., Yang, H., and Riding, R. 2015. Ordovician calcified cyanobacteria and associated microfossils from the Tarim Basin, Northwest China: systematics and significance. Journal of Systematic Palaeontology.
  • Săsăran, E., Bucur, I.I., Pleş, G., and Riding, R. 2014. Late Jurassic Epiphyton-like cyanobacteria: indicators of long-term episodic variation in marine bioinduced microbial calcification? Palaeogeography, Palaeoclimatology, Palaeoecology, online. Download PDF (4.3Mb)
  • Guido, A., Mastandrea, A., Rosso, A., Sanfilippo, R., Tosti, F., Riding, R., and Russo, F. 2014. Commensal symbiosis between agglutinated polychaetes and sulfate-reducing bacteria. Geobiology, online. Download PDF (1Mb)
  • Tosti, F., Mastandrea, A., Guido, A., Demasi, F., Russo, F., and Riding, R. 2014. Biogeochemical and redox record of mid–late Triassic reef evolution in the Italian Dolomites. Palaeogeography, Palaeoclimatology, Palaeoecology 399: 52-66. Download PDF (5.1Mb)
  • Suárez-González, P., Quijada, I.E., Benito, M.I., Mas, R., Merinero, R., and Riding, R. 2014. Origin and significance of lamination in Lower Cretaceous stromatolites and proposal for a quantitative approach. Sedimentary Geology 300: 11-27. Download PDF (7.8Mb)



  • Feng, Q., Gong, Y–M, and Riding, R. 2010. Mid–Late Devonian calcified marine algae and cyanobacteria, South China. Journal of Paleontology 84: 569–587. Download PDF (2.3Mb)
  • Oliveri, E., Neri, R., Bellanca, A. and Riding, R. 2010. Carbonate stromatolites from a Messinian hypersaline setting in the Caltanissetta Basin, Sicily: petrographic evidence of microbial activity and related stable isotope and REE signatures. Sedimentology 57: 142-161. Download PDF (2Mb)


  • Riding, R. 2009. An atmospheric stimulus for cyanobacterial bioinduced calcification ca. 350 million years ago? PALAIOS, 24: 685–696. Download PDF (1.5Mb)
  • Webster, J.M., Braga, J.C., Clague, D.A., Gallup, C., Hein, J.R., Potts, D.C., Renema, W., Riding, R., Riker–Coleman, K., Silver, E., and Wallace, L.M. 2009. Coral reef evolution on rapidly subsiding margins. Global and Planetary Change 66: 129–148. Download PDF (7.3Mb)


  • Riding, R. 2008. Abiogenic, microbial and hybrid authigenic carbonate crusts: components of Precambrian stromatolites. Geologia Croatica 61: 73–103. Download PDF (1Mb)


  • Kah, L.C. and Riding, R. 2007. Mesoproterozoic carbon dioxide levels inferred from calcified cyanobacteria. Geology 35: 799–802. Download PDF (285Kb)


  • Riding, R. 2006. Cyanobacterial calcification, carbon dioxide concentrating mechanisms, and Proterozoic–Cambrian changes in atmospheric composition. Geobiology 4: 299–316. Download PDF (511Kb)
  • Braga, J.C., Martín, J.M., Riding, R., Aguirre, J., Sánchez–Almazo, I.M., Dinarès–Turell, J. 2006. Testing models for the Messinian Salinity Crisis: the Messinian record in Almería, SE Spain. Sedimentary Geology 189–190: 131–154. Download PDF (1.82Mb)
  • Riding, R. 2006. Microbial carbonate abundance compared with fluctuations in metazoan diversity over geological time. Sedimentary Geology 185: 229–238. Download PDF (363Kb)
  • Riding, R. and Tomás, S. 2006. Stromatolite reef crusts, Early Cretaceous, Spain: bacterial origin of in situ precipitated peloid microspar? Sedimentology 53: 23–34. Download PDF (1.53Mb)


  • Aguirre, J. and Riding, R. 2005. Dasycladalean algal biodiversity compared with global variations in temperature and sea level over the past 350 Myr. PALAIOS 20: 581–588. Download PDF (965Kb)
  • Riding, R. 2005. A Late Silurian extinction event and anachronistic period: Comment. Geology e91.
  • Riding, R. and Braga, J.C. 2005. Halysis Høeg, 1932 - an Ordovician coralline red alga? Journal of Paleontology 79: 835–841.
  • Riding, R. 2005. Phanerozoic reefal microbial carbonate abundance: comparisons with metazoan diversity, Mass Extinction events, and seawater saturation state. Revista Española de Micropaleontología 37: 23–39. Download PDF (111Kb)
  • Riding, R. and Liang, L. 2005. Seawater chemistry control of marine limestone accumulation over the past 550 million years. Revista Española de Micropaleontología 37: 1–11. Download PDF (70Kb)
  • Riding, R. and Liang, L. 2005. Geobiology of microbial carbonates: metazoan and seawater saturation state influences on secular trends during the Phanerozoic. Palaeogeography, Palaeoclimatology, Palaeoecology 219: 101–115. Download PDF (400kb)
  • Braga, J.C. and Riding, R. 2005. Calcareous algae. In: R. Selley, L.R.M. Cocks, and I.R. Plimer (eds), Encyclopaedia of Geology. Elsevier, Amsterdam, pp. 428–436.


  • Andrews, J.E., Coletta, P., Pentecost, A., Riding, R., Dennis, S., Dennis, P.F., and Spiro, B. 2004. Equilibrium and disequilibrium stable isotope effects in modern charophyte calcites: implications for palaeoenvironmental studies. Palaeogeography, Palaeoclimatology, Palaeoecology 204: 101–114.
  • Riding, R. 2004. Solenopora is a chaetetid sponge, not an alga. Palaeontology 47: 117–122.


  • Riding, R. 2003. Algal and bacterial carbonate sediments. In: G.V. Middleton (ed.), Encyclopedia of sediments and sedimentary rocks, Kluwer, Dordrecht, pp. 1–3.


  • Aguirre, J., Braga, J.C., and Riding, R. 2002. La diversificación de las algas rojas inarticuladas (Corallinales, Rhodophyta). In M. Soler (ed.), Evolución: la base de la biología. Proyecto Sur de Ediciones, Granada, Spain, pp. 527–534.

  • Riding, R. 2002. Structure and composition of organic reefs and carbonate mud mounds: concepts and categories. Earth–Science Reviews 58: 163–231. Download PDF (2.5Mb)
  • Riding, R. 2002. Biofilm architecture of Phanerozoic cryptic carbonate marine veneers. Geology 30: 31–34.


  • Riding, R. and Fan, J. 2001. Ordovician calcified algae and cyanobacteria, northern Tarim Basin subsurface, China. Palaeontology 44: 783–810.
  • Andrews, J.E. and Riding, R. 2001. Depositional facies and aqueous–solid geochemistry of travertine–depositing hot springs (Angel Terrace, Mammoth Hot Springs, Yellowstone National Park, U.S.A.) – Discussion. Journal of Sedimentary Research 71: 496–497.
  • Riding, R. 2001. Calcified algae and bacteria. In: A.Yu. Zhuravlev and R. Riding (eds), The ecology of the Cambrian radiation. Columbia University Press, New York, pp. 445–473.


  • Aguirre, J., Riding, R., and Braga, J.C. 2000. Diversity of coralline red algae: origination and extinction patterns from the Early Cretaceous to the Pleistocene. Paleobiology 26: 651–667.
  • Watts, N.R., and Riding, R. 2000. Growth of rigid high–relief patch reefs, Mid–Silurian, Gotland, Sweden. Sedimentology 47: 979–994.
  • Aguirre, J., Riding, R. and Braga, J.C. 2000. Late Cretaceous incident light reduction: evidence from benthic algae. Lethaia 33: 205–213.
  • Brooke, C. and Riding, R. 2000. Graticula and its derivatives, replacement name for the alga Craticula Brooke & Riding non Grunow. Lethaia 33: 82.
  • Riding, R., Braga, J.C., and Martín, J.M. 2000. Late Miocene Mediterranean desiccation: topography and significance of the "Salinity Crisis" erosion surface on–land in southeast Spain: Reply. Sedimentary Geology 133: 175–184.
  • Riding, R. 2000. Microbial carbonates: the geological record of calcified bacterial–algal mats and biofilms. Sedimentology 47 (Supplement 1): 179–214. Download PDF (11.7Mb)


  • Riding, R. 1999. The term stromatolite: towards an essential definition. Lethaia 32: 321–330.
  • Guo, L. and Riding, R. 1999. Rapid facies changes in Holocene fissure ridge hot spring travertines, Rapolano Terme, Italy. Sedimentology 46: 1145–1158.
  • Merz–Preiß, M. and Riding, R. 1999. Cyanobacterial tufa calcification in two freshwater streams: ambient environment, chemical thresholds and biological processes. Sedimentary Geology 126: 103–124.
  • Riding, R. and Barkham, S. 1999. Temperate water Shamovella from the Lower Permian of West Timor, Indonesia. Alcheringa 23: 21–29.
  • Mu, X. and Riding, R. 1999. Skeletal ultrastructure of the calcified red alga Galaxaura oblongata, Hainan Island, China. Review of Palaeobotany and Palynology 104: 205–212.
  • Riding, R., Braga, J.C., and Martín, J.M. 1999. Late Miocene Mediterranean desiccation: topography and significance of the "Salinity Crisis" erosion surface on–land in southeast Spain. Sedimentary Geology 123: 1–7.


  • Riding, R., Cope, J.C.W., and Taylor, P.D. 1998. A coralline–like red alga from the Lower Ordovician of Wales. Palaeontology 41: 1069–1076.
  • Riding, R. and Sharma, M. 1998. Late Palaeoproterozoic (~1800–1600 Ma) stromatolites, Cuddapah Basin, southern India: cyanobacterial or other bacterial microfabrics? Precambrian Research 92: 21–35.
  • Riding, R. and Andrews, J.E. 1998. Carbon isotopic evidence for photosynthesis in Early Cambrian oceans: Comment. Geology 26: 191.
  • Brooke, C. and Riding, R. 1998. Ordovician and Silurian coralline red algae. Lethaia 31: 185–195.
  • Riding, R., Braga, J.C., Martín, J.M., and Sánchez–Almazo, I.M. 1998. Mediterranean Messinian Salinity Crisis: constraints from a coeval marginal basin, Sorbas, southeastern Spain. Marine Geology 146: 1–20.
  • Guo, L. and Riding, R. 1998. Hot–spring travertine facies and sequences, Late Pleistocene, Rapolano Terme, Italy. Sedimentology 45: 163–180.


  • Martín, J.M, Braga, J.C. and Riding, R. 1997. Late Miocene Halimeda alga–microbial segment reefs in the marginal Mediterranean Sorbas Basin, Spain. Sedimentology 44: 441–456.
  • Andrews, J.E., Riding, R., and Dennis, P.F. 1997. The stable isotope record of environmental and climatic signals in modern terrestrial microbial carbonates from Europe. Palaeogeography, Palaeoclimatology, Palaeoecology 129: 171–189.


  • Riding, R. 1996. Long–term changes in marine CaCO3 precipitation. Mémoirs de la Société géologique de France, n.s., numéro 169: 157–166 (Séance spécialisée: Carbonates intertropicaux, Paris, 3–4 mai, 1993).
  • Guo, L., Andrews, J., Riding, R., Dennis, P., and Dresser, Q. 1996. Possible microbial effects on stable carbon isotopes in hot spring travertines. Journal of Sedimentary Research 66: 468–473.
  • Braga, J.C., Martín, J.M., and Riding, R. 1996. Internal structure of segment reefs: Halimeda algal mounds in the Mediterranean Miocene. Geology 24: 35–38.


  • Braga, J.C., Martín, J.M., and Riding, R. 1995. Controls on microbial dome fabric development along a carbonate–siliciclastic shelf–basin transect, Miocene, S.E. Spain. Palaios 10: 347–361.
  • Riding, R. and Zhuravlev, A.Yu. 1995. Structure and diversity of oldest sponge–microbe reefs: Lower Cambrian, Aldan River, Siberia. Geology 23: 649–652.


  • Guo, L. and Riding, R. 1994. Origin and diagenesis of Quaternary travertine shrub fabrics, Rapolano Terme, central Italy. Sedimentology 41, 499–520.


  • Riding, R. 1993. Phanerozoic patterns of marine CaCO3 precipitation. Naturwissenschaften 80: 513–516.
  • Andrews, J.E., Riding, R., and Dennis, P.F. 1993. Stable isotopic composition of Recent freshwater cyanobacterial carbonates from the British Isles: local and regional environmental controls. Sedimentology 40: 303–314.
  • Soja, C.M. and Riding, R. 1993. Silurian microbial associations from the Alexander terrane, Alaska. Journal of Paleontology 67: 728–738.
  • Riding, R. and Soja, C.M. 1993. Silurian calcareous algae, Cyanobacteria, and Microproblematica from the Alexander terrane, Alaska. Journal of Paleontology 67: 710–728.
  • Riding, R. 1993. Shamovella obscura: the correct name for Tubiphytes obscurus (Fossil). Taxon 42: 71–73.
  • Martín, J.M., Braga, J.C., and Riding, R. 1993. Siliciclastic stromatolites and thrombolites, late Miocene, S.E. Spain. Journal of Sedimentary Petrology 63: 131–139.


  • Guo, L. and Riding, R. 1992. Aragonite laminae in hot water travertine crusts, Rapolano Terme, Italy. Sedimentology 39: 1067–1079.
  • Riding, R. 1992. Temporal variation in calcification in marine cyanobacteria. Journal of the Geological Society, London 149: 979–989.
  • Guo, L. and Riding, R. 1992. Microbial micritic carbonates in uppermost Permian reefs, Sichuan Basin, southern China: some similarities with Recent travertines. Sedimentology 39, 37–53.
  • Riding, R. and Guo, L. 1992. Affinity of Tubiphytes. Palaeontology 35: 37–49.


  • Riding, R. and Watts, N.R. 1991. The lower Wenlock reef sequence of Gotland: facies and lithostratigraphy. Geologiska Föreningens i Stockholm Förhandlingar 113: 343–372.
  • Riding, R., Martín, J.M., and Braga, J.C. 1991. Coral stromatolite reef framework, Upper Miocene, Almería, Spain. Sedimentology 38: 799–818.
  • Riding, R., Braga, J.C. and Martín, J.M. 1991. Oolite stromatolites and thrombolites, Miocene, Spain: analogues of Recent giant Bahamian examples. Sedimentary Geology 71: 121–127.
  • Riding, R., Awramik, S.M., Winsborough, B.M., Griffin, K.M., and Dill, R.F. 1991 Bahamian giant stromatolites: microbial composition of surface mats. Geological Magazine 128: 227–234. Download PDF (1.4Mb)


  • Latham, A. and Riding, R. 1990. Fossil evidence for the location of the Precambrian/Cambrian boundary in Morocco. Nature 344: 752–754.


  • Mu, X. and Riding, R. 1988. Silicification of Permian calcareous algae from Nanjing, China. Geological Magazine 125: 123–139.
  • Awramik, S.M. and Riding, R. 1988. Role of algal eukaryotes in subtidal columnar stromatolite formation. Proceedings National Academy of Science USA 85: 1327–1329.


  • Chuvashov, B. and Riding, R. 1984. Principal floras of Palaeozoic marine calcareous algae. Palaeontology 27: 487–500.
  • Riding, R. and Voronova, L. 1984. Assemblages of calcareous algae near the Precambrian/Cambrian boundary in Siberia and Mongolia. Geological Magazine 121: 205–210.
  • Riding, R. 1984. Sea–level changes and the evolution of benthic marine calcareous algae during the Palaeozoic. Journal Geological Society London 141: 547–553.


  • Mu, X. and Riding, R. 1983. Silicified gymnocodiacean algae from the Permian of Nanjing, China. Palaeontology 26: 261–276.
  • Riding, R. and Watts, N. 1983. Silurian Renalcis (?cyanophyte) from reef facies in Gotland (Sweden). Neues Jahrbuch Geologie Paläontologie, Monatshefte 1983, 4: 242–248.


  • Riding, R. 1982. Cyanophyte calcification and changes in ocean chemistry. Nature 299: 814–815.
  • Riding, R. and Voronova, L. 1982. Affinity of the Cambrian alga Tubomorphophyton and its significance for the Epiphytaceae. Palaeontology 25: 869–878.
  • Riding, R. and Voronova, L. 1982. Recent freshwater oscillatoriacean analogue of the Lower Palaeozoic calcareous alga Angulocellularia. Lethaia 15: 105–114.
  • Riding, R. and Voronova, L. 1982. Calcified cyanophytes and the Precambrian–Cambrian transition. Naturwissenschaften 69: 498–499.


  • Riding, R. and Wright, V.P. 1981. Paleosols and tidal– flat/lagoon sequences on a Carboniferous carbonate shelf: sedimentary associations of triple disconformities. Journal of Sedimentary Petrology 51: 1323–1339.
  • Riding, R. and Watts, N. 1981. Silurian algal reef crest in Gotland. Naturwissenschaften 68: 91–92.
  • Mountjoy, E.W. and Riding, R. 1981. Foreslope stromatoporoid–renalcid bioherm with evidence of early cementation, Devonian Ancient Wall reef complex, Rocky Mountains. Sedimentology 28: 299–319.


  • Kershaw, S. and Riding, R. 1980. Stromatoporoid morphotypes of the Middle Devonian Torbay reef complex at Long Quarry Point, Devon. Proceedings Ussher Society 5: 13–23.


  • Riding, R. 1979. Donezella bioherms in the Carboniferous of the southern Cantabrian Mountains, Spain. Bulletin Centre Recherche Exploration–Production Elf–Aquitaine 3, 2: 787–794.
  • Faber, P. and Riding, R. 1979. Uraloporella (microproblematicum) from the Middle Devonian of the Eifel, West Germany. Neues Jahrbuch Geologie Paläontologie, Monatshefte 1979, 3: 139–146.
  • Riding, R. 1979. Origin and diagenesis of lacustrine algal bioherms at the margin of the Ries crater, Upper Miocene, southern Germany. Sedimentology 26: 645–680.


  • Kershaw, S. and Riding, R. 1978. Parameterization of stromatoporoid shape. Lethaia 11: 233–242.


  • Riding, R. and Kershaw, S. 1977. Nature of stromatoporoids. Nature 268: 178.
  • Riding, R. 1977. Systematics of Wetheredella. Lethaia 10: 94.
  • Burchette, T.P. and Riding, R. 1977. Attached vermiform gastropods in Carboniferous marginal marine stromatolites and biostromes. Lethaia 10: 17–28.
  • Riding, R. 1977. Calcified Plectonema (blue–green algae), a Recent example of Girvanella from Aldabra Atoll. Palaeontology 20: 33–46.


  • Riding, R. and Jansa, L.F. 1976. Devonian occurrence of Uraloporella (?foraminifer) in the Canning Basin, Western Australia. Journal of Paleontology 50: 805–807.


  • Riding, R. and Brasier, M. 1975. Earliest calcareous foraminifera. Nature 257: 208–210.
  • Riding, R. 1975. Girvanella and other algae as depth indicators. Lethaia 8: 173–179.


  • Riding, R. 1974. Model of the Hercynian foldbelt. Earth and Planetary Science Letters 24: 125–135.
  • Riding, R. and Jansa, L.F. 1974. Uraloporella Korde in the Devonian of Alberta. Canadian Journal of Earth Sciences 11: 1414–1426.
  • Riding, R. 1974. The Devonian genus Keega (Algae) reinterpreted as a stromatoporoid basal layer. Palaeontology 17: 565–577.
  • Riding, R. 1974. Stromatoporoid diagenesis: outline of alteration effects. Geological Magazine 111: 143–148.


  • Stearn, C.W. and Riding, R. 1973. Forms of the hydrozoan Millepora on a Recent coral reef. Lethaia 6: 187–200.


  • Riding, R. and Wray, J.L. 1972. Note on the ?algal genera Epiphyton, Paraepiphyton, Tharama, and Chabakovia. Journal of Paleontology 46: 918–919.
  • Riding, R. and Toomey, D.F. 1972. The sedimentological role of Epiphyton and Renalcis in Lower Ordovician mounds, Oklahoma. Journal of Paleontology 46: 509–519.


  • Wagner, R.H., Winkler Prins, C.F., and Riding, R.E. 1971. Lithostratigraphic units of the lower part of the Carboniferous in northern León, Spain. Facultad de Ciencias, Universidad de Oviedo. Trabajos de Geología 4: 603–663.