期刊
PALAEONTOLOGY
卷 46, 期 -, 页码 467-509出版社
WILEY-BLACKWELL
DOI: 10.1111/1475-4983.00308
关键词
Rhynie; arthropod; hot-springs; chert; Devonian; euthycarcinoid
类别
New terrestrial and freshwater arthropods are described from the Windyfield cherts, a suite of silicified sinters deposited 700 m north-east of the Rhynie cherts and part of the same Early Devonian hot-spring complex. The diverse assemblage consists of Heterocrania rhyniensis (Hirst and Maulik, 1926a), here recognized as a euthycarcinoid; scutigeromorph centipede material assigned to Crussolum sp.; the crustacean Lepidocaris; trigonotarbid arachnids; a new arthropod of myriapod affinities named Leverhulmia mariae gen. et sp. nov.; and the distinctively ornamented arthropod cuticle of Rhynimonstrum dunlopi gen. et sp. nov. The Leverhulmia animal preserves gut content identifying it as an early terrestrial detritivore. Abundant coprolites of similar composition and morphology to the gut contents of the euthycarcinoid crowd the matrix. Chert texture, faunal associations, and study of modern analogues strongly suggest that the terrestrial arthropods were ubiquitous Early Devonian forms with no particular special adaptation to localized conditions around the terrestrial hot-spring vents. The aquatic arthropods represent biota from ephemeral cool-water pools in the vicinity of the hot-spring vents.
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