O. Abel, Vorzeitliche Lebensspuren, 1935.

J. G. Allen and R. M. Feldmann, PANDURALIMULUS BABCOCKI N. GEN. AND SP., A NEW LIMULACEAN HORSESHOE CRAB FROM THE PERMIAN OF TEXAS, Journal of Paleontology, vol.76, issue.3, pp.594-600, 2005.
DOI : 10.1666/0022-3360(2005)079<0594:PBNGAS>2.0.CO;2

A. M. Anderson, Limulid trackways in the late Palaeozoic Ecca sediments and their palaeoenvironmental significance, South African Journal of Science, vol.71, pp.249-251, 1975.

L. I. Anderson, The xiphosuran Liomesaspis from the Montceau-les-Mines Konservat- Lagerstätte, Neues Jahrbuch für Geologie und Paläontologie Abhandlungen, vol.204, issue.82, pp.415-436, 1997.

N. J. Minter, S. J. Braddy, and R. B. Davis, Between a rock and a hard place: arthropod trackways and ichnotaxonomy, Lethaia, vol.382, issue.4, pp.365-375, 2007.
DOI : 10.2110/palo.2005.P05-63e

N. J. Minter, K. Krainer, S. G. Lucas, S. J. Braddy, and A. P. Hunt, Palaeoecology of an Early Permian playa lake trace fossil assemblage from Castle Peak, Texas, USA, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.246, issue.2-4, pp.390-423, 2007.
DOI : 10.1016/j.palaeo.2006.10.009

R. A. Moore, S. C. Mc-kenzie, and B. S. Lieberman, A CARBONIFEROUS SYNZIPHOSURINE (XIPHOSURA) FROM THE BEAR GULCH LIMESTONE, MONTANA, USA, Palaeontology, vol.156, issue.4, pp.1013-1019, 2007.
DOI : 10.1111/j.1475-4983.2007.00685.x

F. Nopsca, Die Familien der Reptilien, Fortschritte der Geologie und Paläontologie, vol.2, pp.1-210, 1923.

E. Nielsen, On some trails from the Triassic beds of East Greenland, Meddelelser om Grønland, vol.149, pp.1-44, 1949.

M. Obst, S. Faurby, S. Bussarawit, and P. Funch, Molecular phylogeny of extant horseshoe crabs (Xiphosura, Limulidae) indicates Paleogene diversification of Asian species, Molecular Phylogenetics and Evolution, vol.62, issue.1, pp.21-26, 2012.
DOI : 10.1016/j.ympev.2011.08.025

H. Oishi, A. Matsukuma, and A. Aihara, Limulid trace fossils from the Oligocene of Takeo, Japan. Science reprints, vol.18, pp.73-84, 1993.

A. Oppel, Über Fährten im lithographischen Schiefer (Ichnites lithographicus), 1862.

P. J. Pazos, D. G. Lazo, M. A. Tunik, C. A. Marsicano, D. E. Fernández et al., Paleoenvironmental framework of dinosaur tracksites and other ichnofossils in Early Cretaceous mixed siliciclastic-carbonate deposits in the Neuqu??n Basin, northern Patagonia (Argentina), Gondwana Research, vol.22, issue.3-4, pp.1125-1140, 2012.
DOI : 10.1016/j.gr.2012.02.003

D. Penn and H. J. Brockman, Age-biased stranding and righting in male horseshoe crabs, Limulus polyphemus, Animal Behaviour, vol.49, issue.6, pp.1531-1539, 1995.
DOI : 10.1016/0003-3472(95)90074-8

C. Peyre-de-fabrèges and R. Allain, A limulid trackway from the Late Jurassic (Tithonian) Lagerst??tte of Canjuers (Var, France), Comptes Rendus Palevol, vol.12, issue.4, pp.181-189, 2013.
DOI : 10.1016/j.crpv.2013.05.009

G. Pie?kowski and G. Nied?wiedzki, Invertebrate trace fossil assemblages from the Lower Hettangian of Soltyków, 2009.

J. W. Pickett, A new freshwater limuloid from the Middle Triassic of New South Wales, Palaeontology, vol.27, pp.609-621, 1984.

J. W. Pickett, A Late Devonian xiphosuran from near Parkes, New South Wales. Memoirs of the Association of Australasian Palaeontologists, vol.15, pp.279-287, 1993.

J. E. Pollar and P. G. Hardy, Trace fossils from Westphalian D of Writhlington, Geological Nature Reserve, nr. Radstock, Avon. Proceedings of the Geologists'Association, pp.169-178, 1991.

P. R. Racheboeuf, J. Vannier, and L. I. Anderson, A New Three-Dimensionally Preserved Xiphosuran Chelicerate from the Montceau-Les-Mines Lagerstatte (Carboniferous, France), Palaeontology, vol.45, issue.1, pp.125-147, 2002.
DOI : 10.1111/1475-4983.00230

E. F. Riek and E. D. Gill, A new xiphosuran genus from Lower Cretaceous freshwater sediments at Koonwarra, Palaeontology, vol.14, pp.206-210, 1971.

A. Romero and L. Vía-boada, Tarracolimulus rieki, nov. gen., nov. sp., nuevo limulido del Triásico de Montral-Alcover (Tarragona), pp.239-246, 1977.

M. Romano and M. A. Whyte, The first record of xiphosurid (arthropod) trackways from the Saltwick Formation, Middle Jurassic of the Cleveland Basin, Yorkshire, Palaeontology, vol.46, issue.2, pp.257-269, 2003.
DOI : 10.1111/1475-4983.00297

DOI : 10.1111/j.1475-4983.2007.00746.x

G. Schweigert, Die Spurenfauna des Nusplinger Plattenkalks (Oberjura, Schwäbische Alb) Stuttgarter Beiträge zur, Naturkunde Serie B, vol.262, pp.1-47, 1998.

A. Seilacher, Trace Fossil Analysis, 2007.

K. Sekiguchi, Biology of horseshoe crabs, 1988.

K. Sekiguchi and C. N. Shuster, Limits on the global distribution of horseshoe crabs (Limulacea): lessons learned from two lifetimes of observations: Asia and America Biology and Conservation of Horseshoe crabs, pp.5-24, 2009.

F. Shishikura, S. Nakamura, K. Takahashi, and K. Sekiguchi, Horseshoe crab phylogeny based on amino acid sequences of the fibrino-peptide-like peptide C, Journal of Experimental Zoology, vol.26, issue.1, pp.89-91, 1982.
DOI : 10.1002/jez.1402230115

C. N. Shuster, A pictorial review of the natural history and ecology of the horseshoe crab Limulus polyphemus, with reference to other Limulidae, 1982.

D. J. Siveter and P. A. Selden, A new, giant xiphosurid from the lower Namurian of Weardale, County Durham, Proceedings of the Yorkshire Geological Society, pp.153-168, 1987.
DOI : 10.1144/pygs.46.2.153

D. R. Smith, M. T. Mandt, and P. D. Macdonald, ) of the Delaware Bay, Journal of Shellfish Research, vol.28, issue.2, pp.405-417, 2009.
DOI : 10.2983/035.028.0225

L. Størmer, Phylogeny and taxonomy of fossil horseshoe crabs, Journal of Paleontology, vol.26, pp.630-639, 1952.

D. J. Tyler, Evidence and significance of limulid instars from trackways in the Bude Formation (Westphalian), south-west England, Proceedings of the Ussher Society, pp.77-80, 1988.

V. Boada and L. , Artrópodos fósiles triásicos de Alcover-Montral, II. Limúlidos. Cuadernos Geología Ibérica, vol.11, pp.281-282, 1987.

V. Boada, L. Villalta, and J. F. , Heterolimulus gadeai, nov. gen., nov. sp., représentant d'une nouvelle famille de Limulacés dans le Trias d'Espagne, Compte Rendu Sommaire des Séances de la Société Géologique de France, pp.57-59, 1966.

G. Wang, Xiphosurid trace fossils from the Westbury Formation (Rhaetian) of Southwest Britain, Palaeontology, vol.36, pp.111-122, 1993.

A. D. Wright and M. J. Benton, Trace fossils from Rhaetian shoreface deposits of Staffordshire, Palaeontology, vol.30, pp.407-428, 1987.

L. Xing, M. G. Lockley, H. Qind, M. Matsukawa, I. Persons et al., Forgotten Paleogene limulid tracks: Xishuangbanania from Yunnan, China, Palaeoworld, vol.21, issue.3-4, pp.217-221, 2012.
DOI : 10.1016/j.palwor.2012.09.003

G. Zhang, L. A. Buatois, M. G. Mangano, and F. G. Acenolaza, Sedimentary facies and environmental ichnology of a ?Permian playa-lake complex in western Argentina, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.138, issue.1-4, 1998.
DOI : 10.1016/S0031-0182(97)00116-8