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Loop ontogeny of the Late Triassic (Norian) terebratulid brachiopod Pseudorhaetina antimoniensis Sandy from Sonora, Mexico and its taxonomic significance

Published online by Cambridge University Press:  20 May 2016

Michael R. Sandy*
Affiliation:
Department of Geology, University of Dayton, 300 College Park, Dayton, Ohio 45469-2364

Abstract

Juvenile specimens of the short-looped terebratulid brachiopod genus Pseudorhaetina Sandy have been investigated by the use of transverse serial sections. Internal structures indicate a simple brachidium (loop) is present with long flanges in adult specimens; the brachidium is approximately half the length of the dorsal valve; there is no complex loop metamorphosis in the central cavity of the brachiopod (i.e., no median septum). This combination of characters presents a taxonomic problem—Pseudorhaetina can neither be referred with confidence to superfamily Terebratuloidea, nor superfamily Loboidothyridoidea. Consequently Pseudorhaetina is, for the time being, assigned to a new and as yet unnamed superfamily representing a previously unrecognized part of the post-Paleozoic recovery and reradiation of Mesozoic articulate brachiopods (Rhynchonellata of Williams et al., 1996).

Type
Research Article
Copyright
Copyright © The Paleontological Society 

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References

Baker, P. G. 1972. The development of the loop in the Jurassic brachiopod Zeilleria leckenbyi . Palaeontology, 15:450472.Google Scholar
Clapp, C. H., and Shimer, H. W. 1911. The Sutton Jurassic of the Vancouver Group, Vancouver Island. Proceedings of the Boston Society of Natural History, 34:426438.Google Scholar
Cooper, G. A. 1983. The Terebratulacea (Brachiopoda), Triassic to Recent: A Study of the Brachidia (Loops). Smithsonian Contributions to Paleobiology, 50, 445 p.Google Scholar
Dagys, A. S. 1963. Verkhnetriasovye Brakhiopody Yuga SSSR. Akademia Nauk SSSR Sibirskoye Otdelenie, 248 p. [In Russian]Google Scholar
Dagys, A. S. 1965. Triasovye Brakhiopody Sibiri. Akademia Nauk SSSR, Sibirskie Otdelenie, Instituta Geologii i Geofiziki, Moscow, 186 p. [in Russian]Google Scholar
Dagys, A. S. 1968. Jurassic and Early Cretaceous Brachiopods of Northern Siberia. Akademia Nauk SSSR, Sibirskoye Otdelenie, Trudy Instituta Geologii i Geofiziki, 41, 167 p. [In Russian]Google Scholar
Dagys, A. S. 1972. The postembryonic development of the brachidium of Late Paleozoic and Early Mesozoic terebratulids. Akademia Nauk SSSR, Sibirskoye Otdelenie, Trudy Instituta Geologii i Geofiziki, 112:2258. [In Russian]Google Scholar
Dagys, A. S. 1974. Triasovye Brakhiopody (Morphologiya, Sistema, Filogeniya, Stratigraficheskoe Znachenie i Biogeografiya). Akademia Nauk SSSR, Sibirskoye Otdelenie, Trudy Instituta Geologii i Geofiziki, 214, 386 p. [In Russian]Google Scholar
Dagys, A. S. 1993. Geographic differentiation of Triassic brachiopods. Palaeogeography, Palaeoclimatology, Palaeoecology, 100:7987.Google Scholar
Doescher, R. A. 1981. Living and Fossil Brachiopod genera 1775-1979: Lists and Bibliography. Smithsonian Contributions to Paleobiology, 42:238 p.Google Scholar
Dumeril, A. M. C. 1806. Zoologique Analytique ou Methode Naturelle de Classification des Animaux. Allais, Paris, 344 p.Google Scholar
Endo, K., Curry, G. B., Quinn, R., Collins, M. J., Muzyer, G., and Westbroek, P. 1994. Re-interpretation of terebratulide phylogeny based on immunological data. Palaeontology, 37:349373.Google Scholar
Hoover, P. R. 1979. Early Triassic Terebratulid Brachiopods from the Western Interior of the United States. U.S. Geological Survey Professional Paper, 1057, 21 p.Google Scholar
Huxley, T. H. 1869. An Introduction to the Classification of Animals. John Churchill and Sons, London, 147 p.Google Scholar
Lees, E. J. 1934. Geology of the Laberge area, Yukon. Transactions of the Royal Canadian Institute, 20:148.Google Scholar
Makridin, V. P. 1964. Brakhiopody Iurskikh Otlozhenii Russkoi Platformy i Netotorukh Prilezhashchikh k nei Oblasti. Ministerstvo Vysshego i Srednego Spetsialnogo Obrazovania USSR, Kharkovskii Gosudarstvennyi Universitet imeni A. M. Gorkogo Nauchno-Issledovatelskii Sektor, Moscow, 395 p. [In Russian]Google Scholar
Matthews, S. C. 1973. Notes on open nomenclature and on synonymy lists. Palaeontology, 16:713719.Google Scholar
Muir-Wood, H. M., Stehli, F. G., Elliott, G. F., and Hatai, K. 1965. Terebratulida. H728H857. In Moore, R. C. (ed.), Treatise on Invertebrate Paleontology, Part H. Brachiopoda. Geological Society of America and University of Kansas Press, Lawrence.Google Scholar
Muller, S. W., and Ferguson, H. G. 1939. Mesozoic stratigraphy of the Hawthorne and Tonopah quadrangles, Nevada. Bulletin of the Geological Society of America, 50:15731624.Google Scholar
Pearson, D. A. B. 1977. Rhaetian Brachiopods of Europe. Neue Denkschriften des Naturhistorischen Museums in Wien, 1, 70 p.Google Scholar
Popiel-Barczyk, E., and Senkowiczowa, H. 1989. Representatives of the genus Coenothyris Douvillé, 1879, from the Terebratula Bed (Upper Muschelkalk) of the Holy Cross Mts, Central Poland. Acta geologica polonica, 39:93111, 5 pls.Google Scholar
Sandy, M. R. 1989. Preparation of serial sections, p. 146156. In Feldmann, R. M., Chapman, R. E., and Hannibal, J. T. (eds.), Paleotechniques. Paleontological Society Special Publication Number 4.Google Scholar
Sandy, M. R. 1995. Observations on “Terebratula” liardensis Whiteaves, 1889 (Brachiopoda; Terebratellidina)—the first long-looped terebratulid recorded from the Triassic of North America—and its paleobiogeographic and stratigraphic significance. Abstracts, Third International Brachiopod Congress, Sudbury, Ontario, Canada, p. 64.Google Scholar
Sandy, M. R., and Stanley, G. D. Jr. 1993. Late Triassic brachiopods from the Luning Formation, Nevada, U.S.A. and their palaeobiogeographic significance. Palaeontology, 36:439480.Google Scholar
Senkowiczowa, H., and Popiel-Barczyk, E. 1993. Brachiopods from Terebratula Bed from the Upper Muschelkalk in the Grotów P-11 borehole (SW Poland). Geological Quarterly, 37:579592.Google Scholar
Stanley, G. D. Jr. 1989. An Upper Triassic Reefal Limestone, southern Vancouver Island, B.C., p. 766776. In Geldsetzer, H. H. J., James, N. P., and Tebbutt, G. E. (eds.), Reefs, Canada and Adjacent Area. The Canadian Society of Petroleum Geologists Memoir 13.Google Scholar
Stanley, G. D. Jr., Gonzalez-Leon, C., Sandy, M. R., Senowbari-Daryan, B., Doyle, P., Tamura, M., and Erwin, D. H. 1994. Upper Triassic Invertebrates from the Antimonio Formation, Sonora, Mexico. Journal of Paleontology, Supplement to No. 4, Part II of III. The Paleontological Society Memoir 36, 33 p.Google Scholar
Sun, D. L. 1981. The Mesozoic brachiopods of Xizang. Series of the scientific expedition to the Qinghai-Xizang Plateau, 3:177260.Google Scholar
Unsarska-Talerzak, K. 1988. Morphology and postembryonic development of Coenothyris vulgaris (Schlotheim) (Brachiopoda, Middle Triassic). Acta geologica polonica, 33:169202.Google Scholar
Whiteaves, J. F. 1889. The fossils of the Triassic rocks of British Columbia. Contributions to Canadian Palaeontology, 1:127149.Google Scholar
Vörös, A. 1993. Jurassic brachiopods of the Bakony Mtns. (Hungary): global and local effects on changing diversity, p. 179187. In Palfy, J. and Vörös, A. (eds.), Mesozoic Brachiopods of Alpine Europe. Hungarian Geological Society, Budapest.Google Scholar
Waagen, W. H. 1883. Salt Range fossils. 4(2), Brachiopoda. Memoirs of the Geological Survey of India, Palaeontologia Indica, Series 13, 1(2):391546.Google Scholar
Williams, A., Carlson, S. J., Brunton, C. H. C., Holmer, L. E., and Popov, L. 1996. A supra-ordinal classification of the Brachiopoda. Philosophical Transactions of the Royal Society of London B, 351:11711193.Google Scholar
Xu, G. R., and Grant, R. E. 1994. Brachiopod faunas near the Permian-Triassic boundary in South China. Smithsonian Contributions to Paleobiology, 76, 68 p.Google Scholar