eurypterid


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Words related to eurypterid

large extinct scorpion-like arthropod considered related to horseshoe crabs

References in periodicals archive ?
A single chelicera of the eurypterid Pterygotus anglicus (NBMG 10237; Miller 2007a) has been found, as well as partial fin spines tentatively attributed to the shark Doliodusproblematicus (NBMG 10237, 12074; see Miller et al.
In the 'Atholville Beds' of the Campbellton Formation only a single eurypterid species, Pterygotus anglicus, has been identified.
This was a foraging strategy used by another eurypterid, Hibbertopterus, which evolved specialized sweep-feeding appendages to rake soft sediment to capture small invertebrates (Jeram and Selden 1993; Selden et al.
Chelicerata: Chasmataspidida) from Lesmahagow, Scotland, and its implications for eurypterid phylogeny.
Summary of a revision of New York State Ordovician eurypterids: implications for eurypterid palaeoecology, diversity and evolution.
These little-known late Cambrian-mid Devonian marine euchelicerates are characterized by a long postabdomen of nine segments, but share prosomal features with both eurypterids and xiphosurans, rendering their monophyly and affinities uncertain.
New discoveries of both vertebrates and arthropods from the "Atholville Beds", beginning in the 1990s, resulted in a redescription of the eurypterid fauna (Miller 2007a, b) and assignment of all known specimens to Pterygotus anglicus Agassiz 1844, the large pterygotid first described from Scotland.
A single abdominal eurypterid fragment was found in these beds in 1997, just east of Point La Nim, from a hard, grey siltstone unit approximately 1.
The eurypterid bed occurs at a level 14 m above the base of section III in the marginal lacustrine facies association described by Kennedy and Gibling (2011).
In Fossil Hall one could also Feel Small in facing immense sandstone slabs with minutely detailed low-relief carbonaceous phantoms of monstrous fishes, sea turtles, palm fronds (much like those outside, soughing by the pool), and huge icky trilobites and eurypterids.
This year, he returns to examine outcrops of ancient tropical seabed deposits on the Grand Rapids Uplands, where extraordinary remains of rare eurypterids ("sea scorpions"), horseshoe crabs, and other odd joint-legged animals have been uncovered.
This year, he will return to examine outcrops of ancient tropical seabed deposits along the shore of Hudson Bay, near Churchill, where extraordinary remains of rare eurypterids ("sea scorpions"), horseshoe crabs, and other odd joint-legged animals have been uncovered.
Studies by ROM paleontologist Dave Rudkin and colleages of 450- to 400-million-year-old fossil arthropods--including trilobites, eurypterids, and horseshoe crabs--from the Hudson Bay and James Bay lowlands are revealing exciting new information on ancient biodiversity and evolutionary dynamics.
In prehistoric times, the ocean floor that is now New York State was home to multitudes of trilobites and eurypterids - groups of arthropods that are now extinct.