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Merostomata

A Dictionary of Biology | 2004 | Â© A Dictionary of Biology 2004, originally published by Oxford University Press 2004. (Hide copyright information) Copyright

Merostomata See Chelicerata.

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	A NEW SYNZIPHOSURINE (CHELICERATA: XIPHOSURA) FROM THE LATE LLANDOVERY (SILURIAN) WAUKESHA LAGERSTÄTTE, WISCONSIN, USA Magazine article from: Journal of Paleontology; 3/1/2005; ; 700+ words ; ABSTRACT- A new synziphosurine (Chelicerata:Xiphosura) is described from the Late Llandovery (Silurian...INTRODUCTION SYNZIPHOSURINES ARE basal members of the phylum Chelicerata, which includes xiphosurans (horseshoe crabs), eurypterids...
	PTERYGOTIDS (CHELICERATA; EURYPTERIDA) FROM THE SILURIAN VERNON FORMATION OF NEW YORK Magazine article from: Journal of Paleontology; 7/1/2007; ; 700+ words ; ...of the chelicerae to E. osiliensis. INTRODUCTION PTERYGOTIDS CONSTITUTE a monophyletic group of predatory eurypterids (Chelicerata) that have attracted attention as the largest arthropods known, attaining body lengths of more than 300 cm (M. Poschmann...
	A NEW EURYPTERID (CHELICERATA) FROM THE UPPER ORDOVICIAN OF MANITOULIN ISLAND, ONTARIO, CANADA Magazine article from: Journal of Paleontology; 11/1/2005; ; 700+ words ; ABSTRACT- A new genus and species of eurypterid (Eurypterida: Chelicerata) is described as Orcanopterus manitoulinensis from the Upper Ordovician Kagawong Submember (Upper Member) of the Georgian Bay...
	The complete mitochondrial genome of Pseudocellus pearsei (Chelicerata: Ricinulei) and a comparison of mitochondrial gene rearrangements in Arachnida.(Research article) Magazine article from: BMC Genomics; 10/25/2007; ; 700+ words ; Authors: Kathrin Fahrein [1]; Giovanni Talarico [2]; Anke Braband [3]; Lars Podsiadlowski (corresponding author) [1] Background Due to their bacterial origin [1, 2] mitochondria have retained a circular DNA double-helix, which in animals is sized between 12-30 kb. This is only a small part of the
	The first complete mitochondrial genome sequences of Amblypygi (Chelicerata: Arachnida) reveal conservation of the ancestral arthropod gene order.(Report) Magazine article from: Genome; 5/1/2009; ; 700+ words ; Introduction Whip spiders (Amblypygi) are a small order of terrestrial chelicerates common in humid regions of the tropics and subtropics all over the world, with some species also occurring in more temperate to arid regions (Weygoldt 2000). Taxonomically, they are divided into two suborders: the
	LIKE FATHER, LIKE SON? NOT AMONGST THE EURYPTERIDS (CHELICERATA) FROM BEARTOOTH BUTTE, WYOMING Magazine article from: Journal of Paleontology; 11/1/2007; ; 700+ words ; ABSTRACT- The eurypterid Strobilopterus princetonii from the Lower Devonian Beartooth Butte Formation of Wyoming is redescribed, and previously unknown morphological features, including shape and position of eyes and ocelli are identified, and the prosomal appendages are described in more detail.
	Gigantocharinus Szatmaryi, a new trigonotarbid arachnid from the late devonian of North America (chelicerata, Arachnida, trogonotarbida) Magazine article from: Journal of Paleontology; 1/1/2000; ; 700+ words ; ABSTRACT-A new trigonotarbid arachnid, Gigantocharinus szatmaryi new genus and species, is described from Upper Devonian (Late Famennian) sediments in Pennsylvania. Devonian trigonotarbids were known before from only a single North American locality and several European ones. The new trigonotarbid
	Sampling Daphnia 's expressed genes: preservation, expansion and invention of crustacean genes with reference to insect genomes.(Research article)(Report) Magazine article from: BMC Genomics; 7/6/2007; ; 700+ words ; ...Bohuski [1]; Darren J Bauer [3]; Justen Andrews [1] Background Among the major groups of the phylum Arthropoda - Chelicerata, Myriapoda, Crustacea, Hexapoda (insects and relatives) - the crustaceans and insects are allies [1]. They are together...
	Revealing pancrustacean relationships: Phylogenetic analysis of ribosomal protein genes places Collembola (springtails) in a monophyletic Hexapoda and reinforces the discrepancy between mitochondrial and nuclear DNA markers.(Research article) Magazine article from: BMC Evolutionary Biology; 3/12/2008; ; 700+ words ; ...recently finished EST sequencing project on the collembolan Folsomia candida [23], with data on 34 ecdysozoan species (Chelicerata, Hexapoda, Tardigrada, Nematoda and Crustacea) available in the public GenBank repository [24], and with data from...
	THE EARLY CAMBRIAN TRILOBITE FAMILY EMUELLIDAE POCOCK, 1970: SYSTEMATIC POSITION AND REVISION OF AUSTRALIAN SPECIES Magazine article from: Journal of Paleontology; 5/1/2006; ; 700+ words ; ...relatives of chelicerates, and trilobites with dorsal facial sutures are the monophyletic sister group of Olenellinae and Chelicerata. The clade with dorsal facial sutures formed the basis for a redefined Trilobita, which according to Lauterbach (1980...

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Related entries from encyclopedias, dictionaries, and thesauruses

	Chelicerata Book article from: The Columbia Encyclopedia, Sixth Edition Chelicerata , phylum of the living horseshoe crabs (class Merostomata), the arachnids (class Arachnida), and the sea spiders (class...
	sea spider Book article from: The Columbia Encyclopedia, Sixth Edition ...long-legged, rather spiderlike organisms of the phylum Chelicerata, widely distributed in marine waters. Most are tiny, from...species are known. Sea spiders are classified in the phylum Chelicerata , class Pycnogonida.
	Arthropoda Book article from: Animal Sciences ...Arthropods are divided into four subphyla. These are the Chelicerata, the Crustacea, the Uniramia, and the Trilobita. The last consists exclusively of extinct forms. Subphylum Chelicerata. The chelicerates include the horseshoe crabs , scorpions...
	Horseshoe Crabs Encyclopedia entry from: The Gale Encyclopedia of Science ...than one million species. Within this phylum, the class Chelicerata includes spiders and their relatives. This class can be...abundant number of glands. Like all members of the class Chelicerata — but unlike other anthropods — the horseshoe...
	Ricinulei Book article from: A Dictionary of Zoology Ricinulei (subphylum Chelicerata , class Arachnida ) An order of small (5–10 mm long), slow-moving arachnids in which the cuticle is thick and...