The earliest Helicosalpinx from Canada and the global expansion of commensalism in Late Ordovician sarcinulid corals (Tabulata)

Tapanila, Leif

doi:10.1016/s0031-0182(04)00454-7

Cited by 29 publications

(18 citation statements)

References 20 publications

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“…The spatial arrangement of bioclaustrations in densely colonized host skeletons appears to be non-random. Individual bioclaustration cavities commonly are evenly spaced across the host skeletal surface and rarely overlap (Brett 1985;Stel 1976;Tapanila 2002Tapanila , 2004. The even spacing of bioclaustrations is likely a display of territoriality by neighbouring endosymbionts competing for ambient resources (e.g.…”

Section: Palaeoecology Of Endosymbiosismentioning

confidence: 99%

“…The link between the disappearance of commonly infested host taxa and the disappearance of bioclaustrations appears to be real, although there is some evidence to suggest some flexibility among endosymbionts in choosing host substrates. The first Helicosalpinx are observed in the Late Ordovician sarcinulid corals, Calapoecia and Columnopora, which are host taxa that do not survive into the Silurian (Tapanila 2004). Yet Helicosalpinx very similar to the Late Ordovician examples occur repeatedly in other Silurian and Devonian host corals.…”

Section: Palaeozoic Evolution Of Endosymbiosismentioning

confidence: 99%

“…H. asturiana is the most common ichnospecies of the helical traces, occurring in tabulates, rugosans and calcareous sponges. The trace forms a tight helical to sinuous cylinder throughout its length and tends to be sinistrally coiled (Tapanila 2004). H. concoenatus differs by having a radius of coiling wider than the tube diameter, resulting in a loosely coiled helix (Clarke 1908).…”

Section: Appendix: Remarks On Ichnotaxonomy Of Palaeozoic Bioclaustramentioning

confidence: 99%

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Palaeoecology and diversity of endosymbionts in Palaeozoic marine invertebrates: Trace fossil evidence

Tapanila

2005

LET

106

108

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Endosymbionts are organisms that live within the growing skeleton of a live host organism, producing a cavity called a bioclaustration. The endosymbiont lives inside the bioclaustration, which it forms by locally inhibiting the normal skeletal growth of the host, a behaviour given the new ethological category, impedichnia. As trace fossils, bioclaustrations are direct evidence of past symbioses and are first recognized from the Late Ordovician (Caradoc). Bioclaustrations have a wide geographic distribution and occur in various skeletal marine invertebrates, including tabulate and rugose corals, calcareous sponges, bryozoans, brachiopods, and crinoids. Ten bioclaustration ichnogenera are recognized and occur preferentially in particular host taxa, suggesting host‐specificity among Palaeozoic endosymbionts. The diversity of bioclaustrations increased during the Silurian and reached a climax by the late Middle Devonian (Givetian). A collapse in bioclaustration diversity and abundance during the Late Devonian is most significant among endosymbionts of host coral and calcareous sponge taxa that were in decline leading up to the Frasnian–Famennian mass extinction.

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Section: Palaeoecology Of Endosymbiosismentioning

confidence: 99%

Section: Palaeozoic Evolution Of Endosymbiosismentioning

confidence: 99%

Section: Appendix: Remarks On Ichnotaxonomy Of Palaeozoic Bioclaustramentioning

confidence: 99%

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Palaeoecology and diversity of endosymbionts in Palaeozoic marine invertebrates: Trace fossil evidence

Tapanila

2005

LET

106

108

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“…Palaeozoic tabulate corals frequently hosted vermiform symbionts (Tapanila, 2002(Tapanila, , 2004(Tapanila, , 2005Mõtus and Vinn, 2009;Zapalski, 2007). The most common of these is the ichnogenus Chaetosalpinx.…”

Section: Chaetosalpinx and Other Bioclaustrationsmentioning

confidence: 99%

Differentiating Parasitism and Other Interactions in Fossilized Colonial Organisms

Taylor

2015

Fossil Parasites

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“…Macroscopic worm endosymbionts are frequently found in recent corals (Ross & Newman 1973;Smith 1984;Hunte et al 1990aHunte et al , 1990bMarsden & Meeuwig 1990;Nishi & Nishihira 1996, 1999, but were common also in the Palaeozoic (Richards & Dyson-Cobb 1976;Tapanila 2002Tapanila , 2004Tapanila , 2005Tapanila & Copper 2002;Tapanila & Holmer 2006). The earliest endosymbiotic worm fossils are known from Late Ordovician rugose (Elias 1986) and tabulate corals (Tapanila 2004) and are preserved as bioclaustrations.…”

Section: Introductionmentioning

confidence: 99%

The worm endosymbionts in tabulate corals from the Silurian of Podolia, Ukraine; pp. 185–192

Mõtus¹,

Vinn²

2009

Estonian Journal of Earth Sciences

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Two endosymbionts, Chaetosalpinx sibiriensis and Coralloconchus bragensis, occur in Silurian tabulate corals of Podolia. The endosymbiotic worms responsible for C. sibiriensis bioclaustrations in tabulates are found only in certain species: Paleofavosites cf. collatatus, Heliolites sp. A, Heliolites sp. B, Heliolites sp. C, Favosites gothlandicus, Favosites sp. A. One to six C. sibiriensis-infested tabulate species are known from Late Homerian to Ludfordian, in the reef-related community. Chaetosalpinx sibiriensis preferred certain tabulate species over the others, but showed no preference for the favositid or heliolitid type of morphology.

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The earliest Helicosalpinx from Canada and the global expansion of commensalism in Late Ordovician sarcinulid corals (Tabulata)

Cited by 29 publications

References 20 publications

Palaeoecology and diversity of endosymbionts in Palaeozoic marine invertebrates: Trace fossil evidence

Palaeoecology and diversity of endosymbionts in Palaeozoic marine invertebrates: Trace fossil evidence

Differentiating Parasitism and Other Interactions in Fossilized Colonial Organisms

The worm endosymbionts in tabulate corals from the Silurian of Podolia, Ukraine; pp. 185–192

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