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The low taxonomic diversity of the invertebrate fauna, which comprises leperditids and lingulid brachiopods, the gastropod Eurymyella, and eurypterid specimens, is suggestive of shallow marine to non-marine, perhaps estuarine or lagoonal, conditions (Boucot's BA1, as in Turner 1999).
The presumed synziphosuran Bunodella horrida Matthew, 1889 (Silurian; Cunningham Creek Formation, New Brunswick, Canada) is a eurypterid. Journal of Paleontology, 81 (3), pp.
Although one to one comparisons are rarely possible between ichnofauna and biotaxa, and the possibility of a hitherto unknown trace maker not represented among known body fossils in the Campbellton Formation cannot be fully excluded, we suggest that Monomorphichnus multilineatus as described here is attributed to pterygotid eurypterids. These are currently the only known arthropods, except for ostracods, known from the vertebrate-bearing beds of Campbellton Formation and have morphological features that closely fit the Monomorphichnus traces described here.
A 'mass-moult-mate' hypothesis (Braddy 2001; Vrazo and Braddy 2011) suggested that eurypterids migrated en masse into nearshore and marginal environments such as lagoons to mate and then moult, as they probably required a quiet current-free place.
Little evidence exists for the diet and feeding strategy of pterygotid eurypterids. However, based on body morphology some are considered to have been active swimmers and top predators, probably feeding on fish (Elliott and Petriello 2011; McCoy et al.
Seldon (1986) indicated that the anterior walking leg (limb II) of pterygotid eurypterids was not a slender walking leg, but a small palp, as illustrated by Huxley and Salter (1859).
Summary of a revision of New York State Ordovician eurypterids: implications for eurypterid palaeoecology, diversity and evolution.
Eurypterid phylogeny with remarks on the origin of arachnids.
(Chelicerata: Chasmataspidida) from Lesmahagow, Scotland, and its implications for eurypterid phylogeny.
The two outcrop belts of the Campbellton Formation that have yielded eurypterids were interpreted as having been deposited in western and eastern sub-basins by Kennedy and Gibling (2011), possibly separated by a topographic barrier.
Rare and poorly known eurypterids from Willwerath, Germany.
The Early Devonian Campbellton Formation in northern New Brunswick, Canada, yielded its first eurypterid fossils in 1881.
Les premiers fossiles d'eurypterides dans la Formation de Campbellton du devonien precoce, dansle nord du Nouveau-Brunswick, au Canada, ont ete decouverts en 1881.
Such is the lot of the giant pterygotid eurypterid, the largest arthropod that ever lived.
If you are determined to find a eurypterid, make an appointment with Lang's Fossils in Ilion for access to their famed quarry.
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