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Table 2 Validated previous records of Tesserogastria musculosa Beyer, 1958 summarized by reference

From: The illusion of rarity in an epibenthic jellyfish: facts and artefacts in the distribution of Tesserogastria musculosa (Hydrozoa, Ptychogastriidae)

References Locality Region/country Collection datea Abundance Type of record/language
[4] Digerud (type locality) and several others in Oslofjord Skagerrak/Norway May 1952; June 1949, 1952, and 1953 > 4000 Medusae Published scientific article/English
[5] Steilene, Gåsöy, Lysakerfjord, and Helvik; Oslofjord Skagerrak/Norway January and October 1962, August 1965 Up to > 1000 ind/m3 Published scientific article/English
[6] several stations inside Oslofjord Skagerrak/Norway September and December 1966, April 1967 N/D Published scientific article/English
[7] Fensfjorden and Sognefjorden North Sea/Norway N/D N/D Technical report/Norwegian
[8] Fanafjord North Sea/Norway April, June, September and December 1979 Abundant Thesis dissertation/Norwegian
[9] several stations inside Oslofjord Skagerrak/Norway August 1981 to 1993. Unknown dates in 1983–1986 Common Technical report/Norwegian
[24] Gråøyrenna; Oslofjord Skagerrak/Norway May 1973 > 1500 Medusae Published scientific article/English
[25] Gråøyrenna and Elle; Oslofjord Skagerrak/Norway December 1974, June 1975 Abundant Thesis dissertation/Norwegian
[26] Granerøstøa; Oslofjord Skagerrak/Norway June 1996 Abundant Technical report/Norwegian
[27] Elle; Oslofjord Skagerrak/Norway September 2012 Presence only record Technical report/Norwegian
[39] Elle and Gråøyrenna; Oslofjord Skagerrak/Norway September 2000 Presence only record Technical report/Norwegian
[43] Oslofjord Skagerrak/Norway N/D Several medusae Museum catalogue/French
[44] Rauer Skagerrak/Norway November 1997 Presence only record Technical report/Norwegian
[45] Elle; Oslofjord Skagerrak/Norway September 2001 Presence only record Technical report/Norwegian
[46] Vesthullet; Oslofjord Skagerrak/Norway September 2002 Presence only record Technical report/Norwegian
[47] Elle and Steilene; Oslofjord Skagerrak/Norway September 2003 and 2004 Presence only record Technical report/Norwegian
[48] Steilene, Gråøyrenna, and Vesthullet; Oslofjord Skagerrak/Norway September 2005 Presence only record Technical report/Norwegian
[49] Gråøyrenna; Oslofjord Skagerrak/Norway September 2008 Presence only record Technical report/Norwegian
[50] Gråøyrenna; Oslofjord Skagerrak/Norway September 2009 1 Medusa Technical report/Norwegian
[51] Spro; Oslofjord Skagerrak/Norway October 1962 N/D Museum catalogue/English
[52] Essvik, and Kiuben; Gullmarfjord Skagerrak/Sweden October 1964 N/D Museum catalogue/English
[53] Digerud; Oslofjord Skagerrak/Norway N/D N/D Museum catalogue/English
  1. N/D no data
  2. aExact position (latitude, longitude) of the sampled sites are not always available in the original sources. Sampling was conducted in all cases with a Beyer’s 50 cm epibenthic closing net or a slightly modified version of the same