This list of xiphosurans is a comprehensive listing of all genera that have ever been included in the order Xiphosura, excluding purely vernacular terms...

underside of the opisthosoma. Xiphosurans move to shallow water to mate. The male climbs onto the back of the female, gripping her with his first pair of walking...

VI of Chasmataspis. the appendage bore exopod-like structure on the base and terminated with a chelate (pincer), similar to those of a xiphosuran. On...

  Missassigned genus Timeline of eurypterid research List of xiphosuran genera List of trilobite genera List of ammonite genera List of prehistoric malacostracans...

cordifomnis, K. lithographicum, K. minusculum and K. walchi. List of xiphosuran genera Timeline of pterosaur research Trace fossil Mortichnia Martin, Anthony...

the Xiphosurida (the only monophyletic xiphosuran group) and other stem-genera. The internal classification of eurypterids within the Eurypterida is based...

Society of Edinburgh. 108 (1): 99–110. doi:10.1017/S1755691018000142. S2CID 135183999. E. S. Shpinev; D. V. Vasilenko (2018). "First fossil xiphosuran (Chelicerata...

developmental patterns of xiphosurans is published by Lustri et al. (2023), who find evidence of changes in the allometric growth of xiphosurans related to adaptations...

Extant xiphosurans hatch without the full complement of adult opisthosomal appendages (appendages attached to the opisthosoma, the posterior segments of the...

a group made up of various basal euchelicerate arthropods more distant to the xiphosurans. Venustulus is the third largest member of its grouping just...

myriapod-like animal, and later considered related to the xiphosurans, or an artiopod. In 1992, the type species of Maldybulakia is described from the Pragian to...

function as jaws and help grind up food. In extant species and other fossil xiphosurans (e.g. Alanops) their appendages are uniramous, but in other related non-xiphosurid...

new morphological data interpret as supporting the interpretation of the Triassic genera Mirabairdia and Nodobairdia as distinct from the extant genus Triebelina...

marine species include the four species of xiphosurans (horseshoe crabs), and possibly the 1,300 species of pycnogonids (sea spiders), if the latter...

Antarctica. He compared it with the then xiphosuran genus Weinbergina, assuming that Borchgrevinkium was also a xiphosuran. However, the Norwegian paleontologist...

of asterozoans (the group that includes starfish and brittle stars) compromising at least 16 distinct species. Other local fauna includes xiphosurans...

Lamsdell, James C. (2020-09-01). "A chasmataspidid affinity for the putative xiphosuran Kiaeria Størmer, 1934". PalZ. 94 (3): 449–453. doi:10.1007/s12542-019-00493-8...

willwerathensis) and early xiphosurans (genus Willwerathia). Eurypterids are especially diverse in these deposits, accounting for five genera in addition to Pruemopterus:...

of Lunataspis, the earliest known xiphosuran, are discovered in Canada. It was not given a formal description until 2008, however. Data courtesy of George...

possessed four pairs of vertically oriented lamellate book gills (possibly for aquatic respiration), instead of five pairs like the xiphosuran Limulus as previously...

(and merostomate, an outdated group that encompassed eurypterids and xiphosurans) of the entire Soviet Union after Adelophthalmus carbonarius. This specimen...

Woodward created the subclass Merostomata to contain eurypterids and xiphosurans. Ernst Haeckel classified the Merostomata (containing virtually only...

crustaceans, xiphosurans, gastropods and anaspid fish Birkenia. In Silurian deposits of New York, E. scorpionis occurs together with a diverse fauna of eurypterids...

"Xiphosurans from the Westphalian D of the Radstock Basin, Somerset Coalfield, the South Wales Coalfield and Mazon Creek, Illinois". Proceedings of the...

distribution of this genus. A putative xiphosuran Kiaeria is reinterpreted as a member of Chasmataspidida by Lamsdell (2020a). A study on the anatomy of head...

estuarine strata from about 390 Ma. It was up to 2.5 m (8.2 ft) long. Xiphosurans, the group including modern Horseshoe crabs appeared around 480 Ma. Extant...

tricki, providing new information on the anatomy of this xiphosuran and representing the first record of muscles in an austrolimulid reported to date, is...

were vertically oriented. This and a fossil of the xiphosuran Tachypleus syriacus suggest that the book gills of A. pyrrhae underwent a taphonomic deformation...

indicative of a connection with a marginal marine habitat, such as the belinurid xiphosurans, persisted. Some of the last occurrences of the adelophthalmids...

Paleontology portal History of science portal This list of fossil arthropods described in 2013 is a list of new taxa of trilobites, fossil insects, crustaceans...