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. 2021 Dec 22;9:e12515. doi: 10.7717/peerj.12515

Table 2. Comparative table between all known records of Melonanchora emphysema (Schmidt, 1875), including the locality (Loc.) and depth of the sample, as well as the measurement of their spicular complement.

Author Loc./Depth Ectosomal megascleres Choanosomal megascleres Isochelae Spherancorae
Melonanchora emphysema (Schmidt, 1875)
Schmidt (1875) Haugesund, Norway*/193 m (St) Present nm Present nm
Reexamination
This study
(ZMB Por 2680)
Haugesund, Norway*/193 m (St) 500–570 ± 15.9–627
× 10.9–15.8 ± 3.1–18.5 µm
Same as in ectosome (I) 19.6–24.7 ± 2.7–29.4 µm
(II) 55.3–60.2 ± 3.9–68.6 µm
40.4–44.3 ± 1.8–58 × 23.1–25.6 ± 1.3–28 µm
Thiele (1903) North Atlantic (St) ca. 650 µm Same as in ectosome (I) 21 µm
(II) 60 µm
50 μm
Lundbeck (1905) North Atlantic/375–1,460 m (St) 440–610 × 10–14 µm Same as in ectosome (I) 24–30 µm
(II) 57–71 µm
50–56 × 28 μm
Alander (1942) Skandia, Sweden/85 m Present Present Present Present
Reexamination
This study
(GNM Porifera 390)
Skandia, Sweden/85 m (St) 492.7–508.1 ± 13–521.7
× 9.7–10.6 ± 2.8–14.5 µm
Same as in ectosome (I) 24.2–26.6 ± 2.7–29 µm
(II) 48.3–51.5 ± 5.5–58 µm
37.6–38.9 ± 1–42.6 × 21.6–24.3 ± 1.6–29 µm
Vacelet (1969) Mediterranean/360–370 m (St) 330–490 × 8.5–18 µm Same as in ectosome (I) 22 µm
(II) 40–53 µm
40–45 × 20 μm
Rexamination
This study
(unregistered)
Mediterranean/360–370 m (T) 389.3–418.6 ± 11.7–477 × 12.2–14.6 ± 1.3–17.6 µm Same as in ectosome (I) 21.4–22.9 ± 0.9–25.3 µm
(II) 41.2–45 ± 1.2–55.1 µm
38.4–41.3 ± 1.5–44.5 × 17.1–19.7 ± 2.3–22.7 μm
This study
(ZMA.POR.P.10800)
Scotland/- (St) 342–472.8 ± 61.8–540 × 5.4–6.9 ± 0.8–7.8 μm Same as in ectosome (I) 22.8–24.3 ± 1–25.8 μm
(II) 48–52.5 ± 5.6–63 μm
37.8–41.7 ± 2.8–44.4 × 18–19.5 ± 1.3–21 μm
This study
(unregistered)
Galicia Bank/500 m (T) 439.2–479.9 ± 30.4–537.6
× 12.2–15.5 ± 1.8–18.7 µm
Same as in ectosome (I) 20.7–23.4 ± 1.5–25.4 µm
(II) 42–51.2 ± 4.3–57.2 µm
37.2–41.2 ± 2–44.6 × 17.3–20.6 ± 1.2–23.4 µm
This study
(unregistered)
Galicia Bank/500 m (T) 429.2–482.2 ± 29.7–538.9
× 11.8–15 ± 1.7–18.7 µm
Same as in ectosome (I) 20.2–22.8 ± 1.9–27.3 µm
(II) 40.6–54 ± 4.8–62.7 µm
34.7–41.2 ± 4–54.5 × 17.2–20.2 ± 2–23.5 µm
This study
(MZB 2019–1740)
Gulf of Lyon/684 m (T) 253.6–375.6 ± 48.7–426.1 μm × 8.8–10.1 ± 1.7–13.7 μm Same as in ectosome (I) 20.5–24.1 ± 3.7–30.4 μm
(II) 44.3–53 ± 4.2–60 μm
41.2–43.7 ± 2.1–46.6 × 18.3–20.5 ± 2.7–26.3 μm
Melonanchora cf. emphysema (Schmidt, 1875)
Solórzano & Duran (1981) Galicia Coast, Spain*/58 m (St) 316–345 × 9 μm Same as in ectosome (I) 22– 26 μm
(II) 44 –51 μm
27–40 μm
Reexamination Solórzano (1990) Galicia Coast, Spain*/58 m (St) 316–345 × 8–9 μm Same as in ectosome (I) 22– 26 μm
(II) 44 –51 μm
27–40 × 18–20 μm
Reexamination
This study
(unregistered)
Galicia Coast, Spain*/58 m (T) 302.6–345.8 ± 24–384.5 × 4.9–6.83 ± 0.8–8 μm Same as in ectosome (I) 16.5–20 ± 1.4–22.2 μm
(II) 35–44 ± 3.9–50 μm
31.9–36.2 ± 2.3–40.5 × 14.2–17.2 ± 2.1–20.5 μm
This study
(AVILES_0710–48DR5)
Cantabrian Sea/128 m (T) 274–329.6 ± 30.6–387.6 × 4.6–6.1 ± 0.8–7.6 μm Same as in ectosome (I) 15.4–18 ± 1.3–20.7 μm
(II) 33.6–44 ± 3.8–48.9 μm
34.7–37.2 ± 1.2–39.3 × 12.6–16 ± 2–19.9 μm

Notes:

(S) indicates styles; (St) indicates strongyles; (T); indicates tylostyles.

*

indicates this is the holotype of the species; nm indicates a spicular type that was not mentioned on a description, yet it is assumed was present on the sample/s.