Role of environmental change in rock-boring echinoid trace fossils

Santos, Ana; Mayoral, Eduardo; Dumont, Clément P.; Silva, Carlos Marques da; Ávila, Sérgio P.; Baarli, B. Gudveig; Cachão, Mário; Johnson, Markes E.; Ramalho, Ricardo S.

doi:10.1016/j.palaeo.2015.04.029

Cited by 27 publications

(17 citation statements)

References 55 publications

(67 reference statements)

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“…1) The morphology. The traces of Ericichnus and Circolites were exactly identical to those found in very different geographical areas, such as the island of Santa Maria, in the archipelago of the Azores, the island of Sal, in the archipelago of Cape Verde (Santos et al, 2015;Santos & Mayoral, 2016), and in the rocky coast of Salou (Tarragona) (Belaústegui et al, in press).…”

Section: Ichnofossil Assemblagessupporting

confidence: 71%

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Witnesses of the early Pliocene sea-level rise in the Manilva Basin (Málaga, S Spain)

Aguirre

Doménech

Martinell

et al. 2020

Spanish J. Palaeontol.

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The Sierra de la Utrera, a relief in the Manilva Basin (Málaga, SW Spain), shows bored surfaces at different heights above present-day sea level, from 96 m to 287 m. Borings occur in the eastern, central, and western parts of the Canuto de la Utrera, a prominent gorge in the central-southern part of the relief excavated in Mesozoic limestones, as well as on the western end of the Canuto Chico, a smaller canyon in the northern part. Pliocene marine deposits fossilized the bored surfaces. Bored boulders of the substrate are embedded in the Pliocene sediments. The traces Gastrochaenolites ispp., Entobia ispp., Caulostrepsis ispp., Circolites kotoucensis, and Ericichnus asgaardi have been identifi ed. Among these, Caulostrepsis is found only in the reworked blocks. This ichnoassemblage, attributed to the archetypical Entobia Ichnofacies of rocky shores, represents boring activity in high-energy, very-shallow-water settings, close to the sea level, and with a virtually null sedimentation rate. The vertical RESUMEN

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Section: Ichnofossil Assemblagessupporting

confidence: 71%

“…9f). Enlargements along the grooves corresponded to their associated Circolites, as described by Santos et al (2015). As stated above, Caulostrepsis appeared only in fallen blocks, so that it was not possible to certify its position within the sections.…”

Section: Ichnofossil Assemblagesmentioning

confidence: 88%

Witnesses of the early Pliocene sea-level rise in the Manilva Basin (Málaga, S Spain)

Aguirre

Doménech

Martinell

et al. 2020

Spanish J. Palaeontol.

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“…Inside there are a number of lines or marks, more or less pronounced, with a concavity oriented in the animal's direction of movement." (Santos et al, 2015) Santos et al, 2015…”

Section: Traces Not Directly Produced By Echinoderms But Closely Relamentioning

confidence: 99%

“…1.2, 3.5; Santos et al, 2015). Two ichnospecies have been described (Table 1; Santos et al, 2015): E. bromleyi from late Miocene to early Pliocene rocks of Santa Maria Island (Azores, Portugal), and E. asgaardi from the early Miocene of Foz da Fonte (Portugal). This kind of structure is also very common in modern settings (Fig.…”

Section: Introductionmentioning

confidence: 99%

Echinoderm ichnology: bioturbation, bioerosion and related processes

Belaústegui¹,

Muñiz²,

Nebelsick³

et al. 2017

J. Paleontol.

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Abstract.-Among invertebrates and both in modern and ancient marine environments, certain echinoderms have been and are some of the most active and widespread bioturbators and bioeroders. Bioturbation and/or bioerosion of regular and irregular echinoids, starfish, brittle stars, sea cucumbers and crinoids are known from modern settings, and some of the resulting traces have their counterparts in the fossil record. By contrast, surficial trails or trackways produced by other modern echinoderms, e.g., sand dollars, exhibit a lower preservation rate and have not yet been identified in the fossil record. In addition, the unique features of the echinoderm skeleton (e.g., composition, rapid growth, multi-element architecture, etc.) may promote the production of related traces produced by the reutilization of echinoderm ossicles (e.g., burrow lining), predation (e.g., borings), or parasitism (e.g., swellings or cysts). Finally, the skeletal robustness of some echinoids may promote their post mortum use as benthic islands for the settlement of hard-substrate dwellers.

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“…Santa Maria is the oldest island in the archipelago (ca. 6 Ma; Ramalho et al, in press), and the only one with diversified and abundant marine fossils from lower Pliocene (Zbyszewski and Ferreira, 1962;Janssen et al, 2008;Kroh et al, 2008;Winkelmann et al, 2010;Madeira et al, 2011;Meireles et al, 2012;Rebelo et al, 2014, in press;Ávila et al, 2015a, 2015bSantos et al, 2015;Uchman et al, 2016) and Pleistocene strata (Ávila et al, 2015c;Ramalho et al, in press).…”

Section: Azores Archipelagomentioning

confidence: 99%