Abstract
A new species of Arbacia (Echinoidea, Arbacioida), A. ballenensis sp. nov., from the Late Pliocene—Early Pleistocene of Baja California Norte, México, is described from a series of 62 specimens ranging in size from 6 to 20 mm test diameter. It differs from all extant species in the genus by its high number of interambulacral plates, numerous small interambulacral tubercles, and the size of the interambulacral tags at the peristomial edge. This new species yields new evidence concerning the diversification of the genus along the Pacific coast of North America where previously, only one extinct species was described, Arbacia abiquaensis from the Oligocene of Oregon. A. ballenensis sp. nov. is closely related to the recently described Arbacia quyllur from the late Miocene of Chile. Study of the new species in the context of events such as the mid-Pleistocene Transition helps shed light on patterns of extinction and speciation within the genus.
References
- Agassiz, A. (1869) Preliminary report on the echini and star-fishes dredged in deep water between Cuba and the Florida Reef, by L. F. de Pourtalès, Assist. U.S. Coast Survey. Bulletin of the Museum of Comparative Zoölogy at Harvard College, 1 (9), 253–308.
- Agassiz, A. (1898) Reports on the dredging operations off the west coast of Central America to the Galápagos, to the west coast of México, and in the Gulf of California, in charge of Alexander Agassiz, carried on by the U.S. Fish Commission Streamer “Albatross”, during 1891, Lieut. Commander Z. L. Tanner, U.S.N., Commanding. XXIII. Preliminary report on the Echini. Bulletin of the Museum of Comparative Zoology, 32, 71–86.
- Agassiz, L. (1840) Catalogus systematicus Ectyporum Echinodermatum fossilium Musei Neocomiensis, secundum ordinem zoologicum dispositus; adjectis synonymis recentioribus, nec non stratis et locis in quibus reperiuntur. Sequuntur characteres diagnostici generum novorum vel minus cognitorum. Apud Oliv. Petitpierre, Neocomi Helvetorum, 20 pp. https://doi.org/10.5962/bhl.title.8820
- Agassiz, L. (1841) Monographies d’Échinodermes vivans et fossiles. Échinites. Famille des Clypéasteroides. 2 (Seconde Monographie). L’auteur, Neuchâtel, 149 pp. https://doi.org/10.5962/bhl.title.1833
- Agassiz, A. & Clark, H.L. (1907) Preliminary report on the echini collected, in 1902, among the Hawaiian Islands, by the U.S. Fish Commission steamer “Albatross”, in charge of Commander Chauncey Thomas, U.S.N., commanding. Bulletin of the Museum of Comparative Zoölogy at Harvard College, 50 (8), 231–259.
- Blainville, H.-M.D. (1825) Manuel de malacologie et de conchyliologie. F. G. Levrault, Paris, 559 pp. https://doi.org/10.5962/bhl.title.11582
- Conrad, T.A. (1843) Descriptions of a new genus and of twenty nine new Miocene, and one Eocene fossil shells of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia, 1, 305–311.
- Cooke, C.W. (1941) Cenozoic regular echinoids of eastern United States. Journal of Paleontology, 1941, 1–20.
- Courville, E., González, M., Mourgues, F.A., Poulin, E. & Saucede, T. (2023) New species of the genus Arbacia (Echinoidea, Arbaciidae) from the Neogene of Chile. Ameghiniana, 60, 216–235. https://doi.org/10.5710/AMGH.01.03.2023.3536
- Di Celma, C., Ragaini, L., Cantalamessa, G. & Curzio, P. (2002) Shell concentrations as tools in characterizing sedimentary dynamics at sequence-bounding unconformities: examples from the lower unit of the Canoa Formation (Late Pliocene, Ecuador). Geobios, 35, 72–85. https://doi.org/10.1016/S0016-6995(02)00049-9
- Döderlein, L. (1905) Ueber Seeigel der deutschen Tiefsee-Expedition. Zoologischer Anzeiger, 282, 621–624. https://doi.org/10.5962/bhl.title.46999
- Durand, J. (1959) Notes sur le plateau continental guyanais : les éléments principaux de la faune et leurs relations avec le fond. Cahiers de L’O.R.S.T.O.M., 3, 1–93.
- Durham, J.W. (1950) 1940 E.W.SCRIPPS Cruise to the Gulf of California: Part II megascopic paleontology and marine stratigraphy. Geological Society of America Bulletin, 43, 1–216. https://doi.org/10.1130/MEM43-2-p1
- Durham, J.W. & Allison, E.C. (1960) The geologic history of Baja California and its marine faunas. Systematics Zoology, 9 (2), 47–91. https://doi.org/10.2307/2411859
- Dwyer, G.S., Cronin, T.M., Baker, P.A., Raymo, M.E., Buzas, J.S. & Corrège, T. (1995) North Atlantic deepwater temperature change during late Pliocene and late Quaternary climatic cycles. Science, 270 (5240), 1347–1351. https://doi.org/10.1126/science.270.5240.1347
- Faichney, I.D., Webster, J.M., Clague, D.A., Braga, J.C., Renema, W. & Potts, D.C. (2011) The impact of the Mid-Pleistocene Transition on the composition of submerged reefs of the Maui Nui Complex, Hawaii. Palaeogeography, Palaeoclimatology, Palaeoecology, 299 (3–4), 493–506. https://doi.org/10.1016/j.palaeo.2010.11.027
- Gastil, R.G., Phillips, R.P. & Allison, E.C. (1971) Reconnaissance geologic map of the State of Baja California. Geological Society of America Map and Chart, Series MC-3, scale 1:250,000.
- Grant, U.S. & Hertlein, L.G. (1938) The West American Cenozoic Echinoidea. Los Angeles in Mathematical and Physical Sciences, University of California Press, Los Angeles, California, 225 pp.
- Gray, J. (1835) On the genera distinguishable in Echinus Lamarck. Proceedings of the Zoological Society of London, 3, 57–60. https://doi.org/10.1111/j.1096-3642.1835.tb01252.x
- Gray, J. (1855) An arrangement of the families of Echinida, with descriptions of some new genera and species. Proceedings of the Zoological Society of London, 23, 35–39. [https://biostor.org/reference/235216]
- Gregory, J. (1900) The Echinoidea. In: Lankester, E.R. (Ed.), A Treatise on Zoology. Part III. the Echinodermata. A and C Black, London, pp. 237–281.
- Johnson, M. & Ledesma-Vázquez, J. (2009) Pliocene and Pleistocene development of peninsular and island rocky shores in the Gulf of California. In: Johnson, M.E. & Ledesma-Vásquez, J. (Eds.), Atlas of Coastal Ecosystems in the Western Gulf of California. 1st Edition. Tracking Limestone Deposits on the Margin of a Young Sea. The University of Arizona Press, Tucson, Arizona, pp. 28–44.
- Johnson, M.E. (2014) Off-trail adventures in Baja California: exploring landscapes and geology on Gulf Shores and Islands. University of Arizona Press, Tucson, Arizona, 272 pp.
- Johnson, M.E. (2021) Baja California’s Coastal Landscapes Revealed: Excursions in Geologic Time and Climate Change. University of Arizona Press, Tucson, Arizona, 264 pp. https://doi.org/10.2307/j.ctv2382dcr
- Johnson, M.E., Backus, D.H. & Ledesma-Vazquez, J. (2003) Offset of Pliocene ramp facies at El Mangle by El Coloradito fault, Baja California Sur: implications for transtensional tectonics. Geological Society of America Special Paper, 374, 407–420. https://doi.org/10.1130/0-8137-2374-4.407
- Johnson, M.E., Backus, D.H. & Ledesma-Vázquez, J. (2017) Growth of the Ballena fan delta on the Gulf of California (México) at the close of the Pliocene Warm Period. Facies, 63, 1–14. https://doi.org/10.1007/s10347-017-0495-y
- Klein, J.T. (1778) Naturalis Dispositio Echinodermatum. Accessit Lucubratiuncula de Aculeis Echinorum Marinorum et Spe?cilegium de Belemnitis. Edita et Descriptionibus Novisque Inventis et Synonymis Auctorum Auca a Nathanaele Godofredo Leske. Officina Gleditdchiana, Lipsiae [Leipzig], 278 pp.
- Kroh, A. (2020) Phylogeny and classification of echinoids. Developments in Aquaculture and Fisheries Science, 43, 1–17. https://doi.org/10.1016/B978-0-12-819570-3.00001-9
- Kroh, A., Madeira, P. & Haring, E. (2012) Species distributions: virtual or real–the case of Arbaciella elegans (Echinoidea: Arbaciidae). Journal of Zoological Systematics and Evolutionary Research, 50, 99–105. https://doi.org/10.1111/j.1439-0469.2011.00636.x
- Kroh, A. & Mooi, R. (2023) World Echinoidea Database. Available from: http://www.marinespecies.org/echinoidea (accessed 30 May 2023) https://doi.org/10.14284/355
- Kroh, A. & Smith, A.B. (2010) The phylogeny and classification of post-Palaeozoic echinoids. Journal of systematic Palaeontology, 8, 147–212. https://doi.org/10.1080/14772011003603556
- Lamarck, J. (1816) Histoire Naturelle des Animaux sans Vertèbres, présentant les caractères géneraux et particuliers de ces animaux, leur distribution, leur classes, leurs familles, leurs generes, et le citation des principales espèces qui s’y rapportent; précédée d’une Introduction offrant la Détermination des caractères essentiells de l’animal, sa distinction du végétal et des autres corps naturels, enfin, l’Exposition des Principes fondamentaux de la Zoologie. Verdière, Paris, 586 pp. https://doi.org/10.5962/bhl.title.40014
- Linder, R.A., Durham, J.W. & Orr, W.N. (1988) New late Oligocene echinoids from the central Western Cascades of Oregon. Journal of Paleontology, 62, 945–958. https://doi.org/10.1017/S0022336000030201
- Lisiecki, L.E. & Raymo, M.E. (2005) A Pliocene-Pleistocene stack of 57 globally distributed benthic δ18O records. Paleoceanography, 20 (1), 1–17. https://doi.org/10.1029/2004PA001071
- Mancosu, A. & Nebelsick, J.H. (2020) Tracking biases in the regular echinoid fossil record: The case of Paracentrotus lividus in recent and fossil shallow-water, high-energy environments. Palaeontologia Electronica, 23 (2), a42. https://doi.org/10.26879/1090
- Mooi, R. (1997) Sand dollars of the genus Dendraster (Echinoidea: Clypeasteroida): phylogenetic systematics, heterochrony, and distribution of extant species. Bulletin of marine science, 61, 343–375.
- Mortensen, T. (1910) The Echinoidea of the Swedish South polar expedition. In: Nordenskjöld, O. (Ed.), Wissenschaftliche Ergebnisse der Schwedischen Südpolar Expedition. Lithographisches Institut, Stockholm, 110 pp. https://doi.org/10.5962/bhl.title.82333
- Mortensen, T. (1935) A Monograph of the Echinoidea, Vol. 2 Bothriocidaroida, Melonechinoida, Lepidocentroida, and Stirodonta. CA Reitzel, Copenhagen, 647 pp. https://doi.org/10.1017/9781108893411
- Nebelsick, J.H. & Mancosu, A. (2021) The Taphonomy of Echinoids: Skeletal Morphologies, Environmental Factors, and Preservation Pathways. Cambridge University Press, Cambridge, 52 pp. https://doi.org/10.1017/9781108893411
- Sepulcre, S., Vidal, L., Tachikawa, K., Rostek, F. & Bard, E. (2011) Sea-surface salinity variations in the northern Caribbean Sea across the Mid-Pleistocene Transition. Climate of the Past, 7 (1), 75–90. https://doi.org/10.5194/cp-7-75-2011
- Schultz, H. (2005) Sea Urchins-a guide to worldwide shallow water species. Heinke and Peter Schultz Partner. Scientific Publications. Hemdingen, 484 pp.
- Schumacher, C.F. (1817) Essai d’un nouveau système des habitations des vers testacés: avec XXII planches. Imprimerie de Mr. le directeur Schultz, Copenhague, 287 pp. [https://www.biodiversitylibrary.org/page/25211571] https://doi.org/10.5962/bhl.title.35863
- Shigei, M. (1975) A new species of a new genus of the arbaciid sea-urchin (Echinoidea; Arbacioida) from the north pacific, off hachijo island. Journal of the Faculty of Science, Tokyo University, Section 4, Zoology, 13/3, 329–332.
- Smith, A.B. (2011) Gymnodiadema and the Jurassic roots of the Arbacioida (stirodont echinoids). Swiss Journal of Palaeontology, 130, 155–171. https://doi.org/10.1007/s13358-010-0014-z
- Smith, A.B., Pisani, D., Mackenzie-Dodds, J.A., Stockley, B., Webster, B.L. & Littlewood, D.T.J. (2006) Testing the molecular clock: molecular and paleontological estimates of divergence times in the Echinoidea (Echinodermata). Molecular biology and evolution, 23, 1832–1851. https://doi.org/10.1093/molbev/msl039
- Valenciennes, A. (1846) Voyage autour du monde sur la fregate La Venus pendant les annees 1836–39. Atlas de Zoologie Gide et Cie, Paris. [unknown pagination]