The oldest <i>in situ</i> hermit crab from the Lower Cretaceous of Speeton, UK

Fraaije, René H.B.

doi:10.1111/1475-4983.00286

Cited by 34 publications

(17 citation statements)

References 3 publications

(4 reference statements)

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“…Similar egg capsule deposition was previously noted in Early Jurassic (Pliensbachian) gastropods by Kaiser and Voigt (1983). This should not be surprising as empty ammonite shells provided a suitable cryptic space, both for spawning as well as sheltering (e.g., Fraaije 2003;Vullo et al 2009;Klompmaker and Fraaije 2012;Wilson and Taylor 2012). Deposition of the egg capsules in such places also certainly promoted their survival as they were well protected from other animals and extrinsic physical factors.…”

Section: Preservationsupporting

confidence: 74%

Exceptionally Preserved Late Jurassic Gastropod Egg Capsules

Zatoń

Mironenko

2015

PALAIOS

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Exceptionally preserved, phosphatized gastropod egg capsules from the uppermost Jurassic (upper Volgian) in Central Russia are reported. The egg capsules were attached to the inner side of the shell wall of empty body chambers of two ammonites. Due to phosphatization, the egg capsules retained their original morphology preserving both the lower attachment base and upper hemispherical cover. Comparison with recent and fossil gastropod egg capsules indicates that these were not produced by neritimorphs, the egg capsules of which are known from the Lower Jurassic and Upper Cretaceous. Since these fossil egg capsules share many similarities with those produced by some recent rissoids and muricid neogastropods, it is evident that they were produced by some representatives of Caenogastropoda. The abundant filamentous microbial structures, as well as micron-sized apatite globules, preserved inside the egg capsules suggest that phosphatization processes were mediated by microbial consortia under anaerobic and low-pH conditions.

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Section: Preservationsupporting

confidence: 74%

Exceptionally Preserved Late Jurassic Gastropod Egg Capsules

Zatoń

Mironenko

2015

PALAIOS

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“…Keupp and Schobert (2011) even suggested a special crab (Palaeopagurus) as the predator on Liassic ammonoids (Amaltheus, Amauroceras) from Germany, which were assumed to have been demersal forms inhabiting near-bottom areas. Palaeopagurus is as the hermit crab also known to inhabit the body chambers of Jurassic and Cretaceous ammonoid shells on the sea floor (Germany and UK; Fraaije 2003;Jagt et al 2006).…”

Section: Implications For Ecology From Traces Of Predationmentioning

confidence: 99%

Ammonoid Habitats and Life History

Lukeneder

2015

Topics in Geobiology

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“…Posterior pereiopods and uropods were modified to position the paguroid in its shell, the abdomen became decalcified, and pleopods became positioned on one side for maximal utilization of the gastropod shell lumen during reproduction (McLaughlin, 1983). Hermit crab exoskeletons are poorly represented in the fossil record, but date from at least the lower Cretaceous (Hyden & Forest, 1980;Bishop, 1983;Fraaije, 2003); a few observations of hermit crabs from the early Jurassic (Glaessner, 1969) are based on chelae of questionable affinity (P. A. McLaughlin, pers. comm.).…”

Section: Evolutionary Trends In Epibiosismentioning

confidence: 99%

Epibiosis in Crustacea: an overview

Fernández-Leborans¹

2010

crustaceana

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Although epibiosis in Crustacea has been well known for a long time, only during recent decades these associations have been considered from various aspects: physiological, evolutionary, ecological, and so forth. Current research has begun to study in detail the processes concerning epibiosis and their effects on the biology of the organisms involved. The aim of this study is to present a general overview of epibiosis in Crustacea, including its ecological importance, adaptations to epibiotic life, specificity of the associations, and other characteristics of epibiont-basibiont interactions. RESUMENA pesar de que la epibiosis en crustáceos es bien conocida desde hace tiempo, sólo durante las últimas décadas las asociaciones ha sido consideradas desde variados aspectos: fisiológico, evolutivo, ecológico, etc. Desde entonces, se han empezado a estudiar en detalle los procesos concernientes a la epibiosis and sus efectos en la biología de los organismos implicados en este tipo de relación. El propósito del presente estudio es presentar una visión general de la epibiosis en los crustáceos, considerando su importancia ecológica, las adaptaciones a la vida epibiótica, la especificidad de las asociaciones, y otras características de las variadas interacciones epibionte-basibionte. 1 )

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The oldest in situ hermit crab from the Lower Cretaceous of Speeton, UK

Cited by 34 publications

References 3 publications

Exceptionally Preserved Late Jurassic Gastropod Egg Capsules

Exceptionally Preserved Late Jurassic Gastropod Egg Capsules

Ammonoid Habitats and Life History

Epibiosis in Crustacea: an overview

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