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TABLE 7 in Epibiontic life on intertidal Setaphyes kielensis and S. dentatus (Kinorhyncha, Pycnophyidae) from Sylt, North Sea, Germany, with a description of a new species of Trematosoma (Ciliophora, Acinetidae) and a redescription of Cothurnia buetschlii (Ciliophora, Vaginicolidae)
- 1. Museum für Naturkunde Berlin – Leibniz Institute for Evolution and Biodiversity Science, Invalidenstr. 43, D – 10115 Berlin, Germany
- 2. Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China
- 3. Kyushu University, Faculty of Arts and Science, Center 3 goukan room 3310, Motooka 744, J- 819 - 0395, Fukuoka, Nishi-ku, Fukuoka city, Japan
- 4. Complutense University of Madrid (UCM), Faculty of Biology, Department of Biodiversity, Ecology and Evolution (BEE), Madrid, Spain
Description
TABLE 7. Comparison of characters of species of Trematosoma after original descriptions and additional references. Unique characters marked in bold. Abbreviations: -, information about character not available; +, character present; [], information from additional reference(s).?, character appeared questionable or unclear in our interpretation; SEM, scanning electron microscopy.
| Species Character | T. amphiasci (Precht, 1935) | T. bocqueti (Guilcher, 1950) | T. complatana (Gruber, 1884) | T. constricta (Collin, 1909) | T. falcata (Jankowski, 1981) | T. ovata (Pritchard, 1852) | T. pusilla (Maupas, 1881) | T. rotunda (Allgén, 1951) | T. husselae sp. nov. |
|---|---|---|---|---|---|---|---|---|---|
| Shape of lorica/ specimen | calyciform | almost rectangular, slightly indented in middle part apically and around stalk | almost rectangular, lorica expressed only as basal disk; [basal lorica convex; zooid can leave stalk, and live free or attach with tentacles] | bowl-shaped, anterior waist-like indentation on each lateral edge, slightly indented around stalk, zooid protruding anteriorly | bowl-shaped with broad base and protruding anteriorly | ovate, bowlshaped, bluntly truncate apically | calyciform with zooid protruding anteriorly | ovate | calyciform |
| Lorica, surface | - | - | - | - | regularly annulated surface with ca. 20 rings | - | - | surface finely annulated | surface with slightly elevated rings (SEM only) |
| Length of lorica/ specimen | 27–50 µm?, [31–33 µm] | 20 µm; [ca. 20 µm] | <30 µm | 50–60 µm; [10–35 µm; 25–27 µm] | 35–50 µm | - | -; [60 µm; 47–58 µm] | 27–33 µm; [ca. 19 µm] | 30–47 µm |
| Width of lorica | 27–50 µm?, [12–15 µm] | 30 µm; [20 µm] | 30 µm | 45 µm; [89–217 µm?; 26–30 µm] | 40–47 µm | - | -; [50 µm; 41–50 µm] | 23–29 µm; [ca. 13 µm] | 26–34 µm |
| Position of zooid in lorica | small cavity at base | filling lorica | filling lorica | filling lorica | filling lorica | - | small [very large] cavity at base of lorica | zooid in anterior 1/2–2/3 of lorica | filling lorica, occasionally small cavity at base |
| Length of stalk | as long as lorica; [9–25 µm] | short; [4.5 µm] | longer than specimen; [60 µm or attached with tentacles only] | 80 µm; [138–148 µm; 69–126 µm] | 26 µm | about as long as lorica | 18 µm; [10–20 µm] | 7–16 µm; [ca. 4 µm] | 5–7 µm |
| Width of stalk | 8 µm; [3–4 µm] | -; [4 µm] | - | -; [20–35 µm] | thin | slender | 1 µm; [2 µm] | 2 µm [ca. 3 µm] | 3–4 µm |
| Stalk, other characters | - | -; [basal disc 7–10 µm diameter] | - | longitudinal striae | small basal disk | [smooth] | - | finely annulated; [transversal striae] | longitudinal striae, no basal disk |
| Arrangement of tentacles | one row left and right with ca. 9 tentacles each, small gap | one row left and right with 18–20 tentacles each, small gap; [2 short and 2 or 3 long tentacles at each corner of lorica, broad gap] | one row left and right with ca. 10 tentacles occurring also laterally, broad gap | one row left and right with small gap; [and 11–14 or 8–28 tentacles] | one row left and right with 5–6 tentacles each, small gap | single row, ca. 11 | single row, 4–5 tentacles | ca. 12–19 tentacles in one? row | one row left and right with 8–16 tentacles each, small gap |
| Length of tentacles | short; [11– 12 µm, thick and 48–50 µm, thin] | -; [11–12 µm or 48–50 µm] | -; [50 µm] | long; [30–69 µm; 17–31 µm] | very short | - | short; [10 µm] | 4–6 µm; [4 µm] | 4–6 µm |
| Endogenous budding | not observed yet | +, embryo 25 µm x 10 µm | not observed yet | + | not observed yet | not observed yet | + | not observed yet | +, embryo 13–15 µm x 8–10 µm |
| Original basibiont; [additional basibionts] | Copepoda | Copepoda; [on debris] | -; [Hydrozoa; Bryozoa] | Crustacea: Paguridae | green algae | Hydrozoa | Bryozoa; [algae; Hydrozoa; tubes of Polychaeta; Copepoda] | Nematoda | Kinorhyncha |
| Original location(s); [additional location] | Baltic Sea: Kiel Bight; [Adriatic Sea] | English Channel: Roscoff; [Western Australia] | Ligurian Sea: Genua | English Channel: Roscoff; Mediterranean Sea: Banyul | Arctic Ocean, Murmansk | North Sea: United Kingdom | Algeria: Algier; [Adriatic Sea] | Falkland Islands; [India, Sundarbans] | North Sea: Sylt] |
| Remarks, additional references | Fernandez- Leborans et al. 2012 | Batisse 1972; Post et al. 1983 | Collin 1912; Curds 1985 | original description brief, illustration and more detailed description in Collin 1912; Fernandez- Leborans & Gabilondo 2006; Fernandez- Leborans et al. 2013 | described without name by Alder 1851; Curds 1985 | Curds 1985; Fernandez- Leborans et al. 2012 | Curds 1985: Acineta ovoidea Allgén, 1951 = synonym of T. rotunda, because just lateral view; Ghosh & Mandal 2019 | this paper |
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Notes
Published as part of Neuhaus, Birger, Lu, Borong, Yamasaki, Hiroshi & González-Casarrubios, Alberto, 2023, Epibiontic life on intertidal Setaphyes kielensis and S. dentatus (Kinorhyncha, Pycnophyidae) from Sylt, North Sea, Germany, with a description of a new species of Trematosoma (Ciliophora, Acinetidae) and a redescription of Cothurnia buetschlii (Ciliophora, Vaginicolidae), pp. 462-463 in Zootaxa 5343 (5) on page 462, DOI: 10.11646/zootaxa.5343.5.2, http://zenodo.org/record/8345479
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Additional details
Identifiers
References
- Precht, H. (1935) Epizoen der Kieler Bucht. Nova Acta Leopoldina, Neue Folge, 3, 405 - 474.
- Guilcher, Y. (1950) Sur quelques acinetiens nouveaux ectoparasites de copepodes harpacticides. Archives de Zoologie Experimentale et Generale, 87, 24 - 30.
- Gruber, A. (1884) Die Protozoen des Hafens von Genua. Nova Acta Leopoldina, 46, 475 - 539.
- Collin, B. (1909) Diagnoses preliminaires d'Acinetiens nouveaux ou mal connus. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences de Paris, 149, 1094 - 1095.
- Jankowski, A. V. (1981) New species, genera and families of tentacled Infusoria (class Suctoria). Transactions of the Zoological Institute of the Academy of Sciences of the USSR, 107, 80 - 115. [in Russian]
- Pritchard, A. (1852) A history of infusorial animalcules, living and fossil. London, Whittaker & Co., pp. 1 - 704. https: // doi. org / 10.5962 / bhl. title. 12194
- Maupas, E. (1881) Contribution a l'etude des Acinetiens. Archives de Zoologie Experimentale et Generale, Histoire Naturelle, Morphologie, Histologie, Evolution des Animaux, 9, 299 - 369.
- Allgen, C. (1951) Uber zwei neue antarktische Suctorien aus dem Graham Land. Kungliga Fysiografiska Sallskapets i Lund Forhandlingar, 21, 173 - 176.
- Batisse, A. (1972) Premieres observations sur l'ultrastructure de Trematosoma bocqueti (Guilcher), Batisse (Ciliata, Suctorida). Protistologica, 8, 477 - 495.
- Post, F. J., Borowitzka, L. J., Borowitzka, M. A., Mackay, B. & Moulton, T. (1983) The protozoa of a Western Australian hypersaline lagoon. Hydrobiologica, 105, 95 - 113. https: // doi. org / 10.1007 / BF 00025180
- Collin, B. (1912) Etude monographique sur les Acinetiens, II: Morphologie, physiologie, systematique. Archives de Zoologie Experimentale et Generale, 51, 1 - 457.
- Curds, C. R. (1985) A revision of the Suctoria (Ciliophora, Kinetofragminophora). 1. Acineta and its morphological relatives. Bulletin of the British Museum (NaturalHistory), Zoology Series, 48, 75 - 129. https: // doi. org / 10.5962 / p. 23462
- Alder, J. (1851) An account of three new species of animalcules. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, Series 2, 7, 426 - 427.