“Crustacea”: Cirripedia

Høeg, Jens T.; Deutsch, Jean S.; Chan, Benny K. K.; Le, Henrike Semmler

doi:10.1007/978-3-7091-1853-5_5

Cited by 37 publications

(25 citation statements)

References 103 publications

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“…Barnacles were one of the first model systems used in evolutionary biology (Darwin, 1851a, 1851b, 1854, 1855), and have remained important in evolutionary (Charnov, 1987; Høeg & Møller, 2006; Høeg et al, 2009; Kelly & Sanford, 2010; Yusa et al, 2012), developmental (Mouchel-Vielh et al, 1998; Høeg, Chan & Semmler, 2015; C Ewers-Saucedo & P Pappalardo, 2017, unpublished data), and ecological studies (Dayton, 1971; Grosberg, 1982; Shinen & Navarrete, 2010; Lamb, Leslie & Shinen, 2014). All these fields can benefit from phylogenetic information to account for the non-independence of species, and to unveil macroevolutionary patterns (Høeg, 1995; Pérez-Losada, Høeg & Crandall, 2009; Glenner et al, 2010; Rees et al, 2014; Lin et al, 2015; C Ewers-Saucedo & P Pappalardo, 2017, unpublished data).…”

Section: Discussionmentioning

confidence: 99%

Towards a barnacle tree of life: integrating diverse phylogenetic efforts into a comprehensive hypothesis of thecostracan evolution

Ewers‐Saucedo

Owen

Pérez‐Losada

et al. 2019

PeerJ

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Barnacles and their allies (Thecostraca) are a biologically diverse, monophyletic crustacean group, which includes both intensely studied taxa, such as the acorn and stalked barnacles, as well as cryptic taxa, for example, Facetotecta. Recent efforts have clarified phylogenetic relationships in many different parts of the barnacle tree, but the outcomes of these phylogenetic studies have not yet been combined into a single hypothesis for all barnacles. In the present study, we applied a new “synthesis” tree approach to estimate the first working Barnacle Tree of Life. Using this approach, we integrated phylogenetic hypotheses from 27 studies, which did not necessarily include the same taxa or used the same characters, with hierarchical taxonomic information for all recognized species. This first synthesis tree contains 2,070 barnacle species and subspecies, including 239 barnacle species with phylogenetic information and 198 undescribed or unidentified species. The tree had 442 bifurcating nodes, indicating that 79.3% of all nodes are still unresolved. We found that the acorn and stalked barnacles, the Thoracica, and the parasitic Rhizocephala have the largest amount of published phylogenetic information. About half of the thecostracan families for which phylogenetic information was available were polyphyletic. We queried publicly available geographic occurrence databases for the group, gaining a sense of geographic gaps and hotspots in our phylogenetic knowledge. Phylogenetic information is especially lacking for deep sea and Arctic taxa, but even coastal species are not fully incorporated into phylogenetic studies.

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Section: Discussionmentioning

confidence: 99%

Towards a barnacle tree of life: integrating diverse phylogenetic efforts into a comprehensive hypothesis of thecostracan evolution

Ewers‐Saucedo

Owen

Pérez‐Losada

et al. 2019

PeerJ

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“…Apparently, ancient dorsal-ventral axis is lost during regressive evolution in Dicyemida and Orthonectida. Among Ecdysozoa, dramatic regressive evolutionary transformations occurred in crustacean Rhizocephala (see [85]). In Rhizocephala and all studied cirripedian crustaceans, the absence of the AbdA gene correlates with the loss of the abdominal part of the body (see [45,85]).…”

Section: Axial Hox Codementioning

confidence: 99%

“…Among Ecdysozoa, dramatic regressive evolutionary transformations occurred in crustacean Rhizocephala (see [85]). In Rhizocephala and all studied cirripedian crustaceans, the absence of the AbdA gene correlates with the loss of the abdominal part of the body (see [45,85]). In some Rhizocephala (Crustacea: Cirripedia), the blastogenesis and coloniality at the parasitic, sexually mature stage involved a complete loss of the body plan and morphology of arthropods, including main body axes common in Panarthropoda (see [86,87] and Section 6).…”

Section: Axial Hox Codementioning

confidence: 99%

“…For example, the parasitic colonial barnacles (Crustacea: Cirripedia: Rhizocephala) infesting other Crustacea (Decapoda) have a life cycle that includes parasitic and free-living larval stages, with irregular fractal organization at the endoparasitic stage. An adult rhizocephalan parasite (externa) lacks such arthropod features as segmentation, appendages, a digestive tract, and sensory and excretory organs; i.e., the main morphological characteristics of arthropods are absent (see [85,120,121]). The complicated rhizocephalan life cycle resulting from the parasitic mode of life leads to the development of colonial organization in some species of the families Peltogastridae, Sacculinidae, and Duplorbidae, and in all representatives of Thompsoniidae and Polysaccidae [85,120,121].…”

Section: Scale Symmetrymentioning

confidence: 99%

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Symmetry Transformations in Metazoan Evolution and Development

Isaeva

Kasyanov

2021

Symmetry

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In this review, we consider transformations of axial symmetry in metazoan evolution and development, the genetic basis, and phenotypic expressions of different axial body plans. In addition to the main symmetry types in metazoan body plans, such as rotation (radial symmetry), reflection (mirror and glide reflection symmetry), and translation (metamerism), many biological objects show scale (fractal) symmetry as well as some symmetry-type combinations. Some genetic mechanisms of axial pattern establishment, creating a coordinate system of a metazoan body plan, bilaterian segmentation, and left–right symmetry/asymmetry, are analysed. Data on the crucial contribution of coupled functions of the Wnt, BMP, Notch, and Hedgehog signaling pathways (all pathways are designated according to the abbreviated or full names of genes or their protein products; for details, see below) and the axial Hox-code in the formation and maintenance of metazoan body plans are necessary for an understanding of the evolutionary diversification and phenotypic expression of various types of axial symmetry. The lost body plans of some extinct Ediacaran and early Cambrian metazoans are also considered in comparison with axial body plans and posterior growth in living animals.

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“…Barnacles (Cirripedia) are sessile crustaceans where the adult forms are structurally and biologically diverse, and permanently attached to hard substrata or to other living organisms (Newman & Abbott, 1980;Høeg et al, 2015). It comprises three orders, the Thoracica or 'true barnacles' (including Sessilia and Pedunculata), the Acrothoracica (burrowing barnacles), and the Rhizocephala (parasitic barnacles) (Høeg et al, 2015). Some members of the suborder Balanomorpha selectively choose invertebrates or vertebrates as their hosts, ranging from sponges to whales (Foster, 1978).…”

Section: Introductionmentioning

confidence: 99%

Exploring Sponge-Inhabiting Barnacles of Eastern Indonesia Using Micro-Ct Scanning

Pitriana

Wessel

Aschenbach³

et al. 2020

TREUBIA

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We present a morphological study of Indonesian sponge-inhabiting barnacles using standard light microscopy in combination with micro-CT scanning and computer-aided 3D-reconstruction of the external shell morphology. A taxonomic analysis of the material detected four different genera of sponges inhabited by five different species of balanomorph barnacles, two of which are undescribed. Together with conventional morphological examination by dissection, we provide modern non-destructive imaging methods, using micro-CT scanning to enhance our knowledge of the morphological characters of sponge-inhabiting barnacles from eastern Indonesia. Although there were some methodological limitations regarding the contrast-enhancing technique, this study demonstrates micro-CT as a useful non-destructive technique of integrative taxonomy, for the examination of sponge-inhabiting barnacles.

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“Crustacea”: Cirripedia

Cited by 37 publications

References 103 publications

Towards a barnacle tree of life: integrating diverse phylogenetic efforts into a comprehensive hypothesis of thecostracan evolution

Towards a barnacle tree of life: integrating diverse phylogenetic efforts into a comprehensive hypothesis of thecostracan evolution

Symmetry Transformations in Metazoan Evolution and Development

Exploring Sponge-Inhabiting Barnacles of Eastern Indonesia Using Micro-Ct Scanning

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