Sclerobionts on tubes of the serpulid Pyrgopolon (Pyrgopolon) deforme (Lamarck, 1818) from the upper Cenomanian of Le Mans region, France

Veselská, Martina Kočová; Kočí, Tomáš; Jäger, Manfred; Mikuláš, Radek; Heřmanová, Zuzana; Morel, Nicolás; Šamánek, Jaroslav

doi:10.1016/j.cretres.2021.104873

Cited by 10 publications

(26 citation statements)

References 59 publications

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“…It seems that there was no dominant current direction on the sea bottom, which could control larval establishment (Kobluk and Nemcsok, 1982). According to Lambers and Boekschoten (1986) and Kočová Veselská et al (2021), a lack of orientation and a chaotic distribution of borings can also indicate post mortem interaction. The massive heterocoral skeletons offered a stable and firm substratum for the attachment of barnacle larvae on a muddy sea bottom, although bioierosion by acrothoracican barnacles was most frequent in brachiopod shells during the Devonian period (see Table 1).…”

Section: Timing Of Barnacle Infestationmentioning

confidence: 99%

“…This placement ensured better access to currents supplying nutrients, especially for barnacles, which are sessile filter-feeders. Many authors have discussed whether acrothoracican barnacles prefer live or dead hosts (see discussions in Kočová Veselská et al, 2021, andPlewes, 1996). It seems that the most crucial factors for barnacle settlement are the character of the substrate, with carbonates being preferred, and the type of host, with epibenthonic, sessile hosts favoured (Seilacher, 1969).…”

Section: Timing Of Barnacle Infestationmentioning

confidence: 99%

“…Furthermore, when the producer is unknown, borings very often are the only evidence of their existence in the fossil record. Most acrothoracican barnacles do not have an external skeleton (e.g., Lambers and Boekschoten, 1986;Lin et al, 2016;Nielsen et al, 2016;Chan et al, 2021), thus they bore in calcareous hard substrates and form dwelling traces (domichnia; Wisshak et al, 2019;Kočová Veselská et al, 2021;Mikuláš et al, 2022). When a larva settles on a hard substrate, it begins the chemical dissolution of it.…”

Section: Introductionmentioning

confidence: 99%

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3D morphology of post mortem acrothoracican borings in Famennian heterocorals – a morphological diversification or a continuum ichnospecies?

Dworczak¹,

Jarochowska²,

Correa³

et al. 2022

ASGP

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Section: Timing Of Barnacle Infestationmentioning

confidence: 99%

Section: Timing Of Barnacle Infestationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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3D morphology of post mortem acrothoracican borings in Famennian heterocorals – a morphological diversification or a continuum ichnospecies?

Dworczak¹,

Jarochowska²,

Correa³

et al. 2022

ASGP

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“…Recently, small boreholes have been found in the tubes of the serpulid genera Cementula Brünnich Nielsen, 1931, Placostegus Philippi, 1844 and Pyrgopolon de Montfort, 1808 from the Cenomanian and Turonian of the Czech Cretaceous Basin. In particular, however, the borings in the tubes of Pyrgopolon from the Cenomanian of the locality Le Mans ring road (France; Kočová Veselská et al, 2021; Figure 1) were evaluated in many ways. This work was based on the collections of Manfred Jäger from 2002.…”

Section: Introductionmentioning

confidence: 99%

“…The study of Kočová Veselská et al (2021) acquaints the reader with the hitherto overlooked paleobiological and ichnological phenomenon. The study asked several questions, which only partially provide direct answers.…”

Section: Introductionmentioning

confidence: 99%

Domichnial Borings in Serpulid Tube Walls: Prosperous Benthic Assemblages in the Cretaceous of France and the Czech Republic

et al. 2022

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The calcareous tubes inhabited by some polychaetes (some Serpulidae and the sabellid Glomerula) which are adapted to live sticking in soft ground, starting from the Permian, represent widespread but widely neglected and understudied substrates for domichnial bioerosion. Serpulids can be considered small macrofauna. However, due to the thinness of serpulid tubes, borings in them are sized in the order of 0.01–0.9 mm in diameter and thus rather considered micropaleontological objects. Extensive and methodologically broad search (vacuum castings studied at SEM; micro-computed tomography) for and study of borings in these specific substrates was performed on material from the Cenomanian of Le Mans area (France) and the Cenomanian and Turonian of the Bohemian Cretaceous Basin (Czechia). It shows that the bioerosive traces can be assigned to the existing ichnogenera Rogerella, Trypanites, Entobia, Maeandropolydora, and Iramena. Somewhat surprising is the frequency and disparity of dwelling borings. Several clues, especially in the more abundant ichnogenera Rogerella, Trypanites, and Entobia, support the hypothesis that the tracemakers of these borings adapted to the small size of their substrates by necessarily staying very small by themselves but nevertheless living to adulthood.

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Two almost‐forgotten Trypanites ichnospecies names for the most common Palaeozoic macroboring

Knaust

Dronov

Toom

2023

Papers in Palaeontology

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Trypanites is the most common macroboring with a global occurrence throughout the Phanerozoic and is the eponym of the Trypanites ichnofacies. It has great value for the recognition of discontinuity and hiatal surfaces on top of carbonate hardgrounds. Four ichnospecies of this ichnogenus are currently regarded as valid, while a characteristic fifth form from the early Palaeozoic is frequently reported in open nomenclature. The latter commonly occurs in lithic hardgrounds and skeletal hard substrates (such as stromatoporoids, bryozoans and corals) in Ordovician and Silurian carbonates of the Baltic region. A review of the old literature found that this ichnospecies has previously been introduced twice, as Trypanites sozialis Eisenack from a Silurian erratic boulder found on the Sambia Peninsula near Kaliningrad (now Russia), and as T. keilaensis Orviku from the Ordovician of Estonia. Both ichnospecies became forgotten names for unknown reasons. A morphometric analysis of the type material and topotype specimens indicates gradational transitions between both ichnospecies, rendering T. sozialis as the senior synonym of T. keilaensis. A lectotype from the type series of both ichnospecies is defined and additional material from Ordovician and Silurian carbonates of Estonia and Russia is described and illustrated to show the morphological and morphometric variation of this important bioerosion trace fossil. To enable interspecies comparison, a lectotype of the type ichnospecies of Trypanites, T. weisei M€ agdefrau, is selected. Trypanites sozialis is a common boring in Cambrian to Devonian hardgrounds and occurs on the palaeocontinents of Baltica, Laurentia and Gondwana.

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Sclerobionts on tubes of the serpulid Pyrgopolon (Pyrgopolon) deforme (Lamarck, 1818) from the upper Cenomanian of Le Mans region, France

Cited by 10 publications

References 59 publications

3D morphology of post mortem acrothoracican borings in Famennian heterocorals – a morphological diversification or a continuum ichnospecies?

3D morphology of post mortem acrothoracican borings in Famennian heterocorals – a morphological diversification or a continuum ichnospecies?

Domichnial Borings in Serpulid Tube Walls: Prosperous Benthic Assemblages in the Cretaceous of France and the Czech Republic

Two almost‐forgotten Trypanites ichnospecies names for the most common Palaeozoic macroboring

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