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Limulus

Xiphosura - Xiphosurida - Limulidae

Taxonomy
Limulus was named by Muller (1785) [Sepkoski's age data: Tr m R Sepkoski's reference number: 359]. It is extant. Its type is Monoculus polyphemus. It is the type genus of Limulacea, Limulidae, Limulinae.

It was assigned to Xiphosurida by Sepkoski (2002) and Krzemiński et al. (2010); to Limulidae by Leach (1819), Bergström (1975), Lamsdell (2016), Lamsdell (2020) and Dunlop et al. (2020); and to Limulinae by Størmer (1955), Dunlop et al. (2012) and Bicknell et al. (2021).

Synonyms
  • Polyphemus was named by Lamarck (1801) [Polyphemus Lamarck 1801 is a disused synonym for the horseshoe crab Limulus Müller, 1785. It is a homonym for the cladoceran Polyphemus Müller, 1785]. It is extant.

    It was synonymized subjectively with Limulus by Leach (1819).
  • Xyphotheca was named by Gronovius (1764). It is extant.

    It was corrected as Xiphosura by Lucas (1840); it was synonymized subjectively with Limulus by Størmer (1955) and Lamsdell (2020).

    It was assigned to Limulidae by Lucas (1840).
Synonymy list
YearName and author
1785Limulus Muller
1801Polyphemus Lamarck
1819Limulus Leach p. 536
1840Xiphosura Lucas p. 291
1955Limulus Størmer p. 23
1975Limulus Bergström p. 303
2002Limulus Sepkoski
2010Limulus Krzemiński et al. p. 133
2012Limulus Dunlop et al. p. 216
2016Limulus Lamsdell p. 189
2020Limulus Dunlop et al. p. 13
2020Limulus Lamsdell p. 25
2021Limulus Bicknell et al. p. 1538

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
Deuteropoda
subphylumChelicerataHeymons 1901
RankNameAuthor
EuchelicerataWeygoldt and Paulus 1979
Prosomapoda
classXiphosura()
orderXiphosuridaLatreille 1802
suborderLimulinaRichter and Richter 1929
superfamilyLimuloidea(Leach 1819)
familyLimulidaeLeach 1819
subfamilyLimulinae(Leach 1819)
genusLimulusMuller 1785

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Limulus Muller 1785
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Limulus coffini Reeside and Harris 1952
Limulus oculatus Kutorga 1838
Limulus polyphemus Linneaus 1758
Invalid names: Polyphemus Lamarck 1801 [synonym], Xiphosura Gronovius 1764 [synonym]
Diagnosis
No diagnoses are available