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Table 1 Established alien species reported before 2017 but missing from Zenetos et al. (2017)

From: Mediterranean non indigenous species at the start of the 2020s: recent changes

Higher taxon Species First record Geographic expansion
BRY Celleporella carolinensis Ryland, 1979 1993-IT: Occhipinti Ambrogi and d’Hondt 1996 locally established -see Servello et al. 2019
BRY Microporella browni Harmelin et al. 2011 2002-LB: Harmelin et al. 2011 locally established
BRY Thalamoporella rozieri (Audouin, 1826) 2002-LB: Harmelin 2014 locally established
CNI Gonionemus vertens A. Agassiz, 1862 1918-IT: Joseph 1919 FR: Picard 1951/IT- see Servello et al. 2019
CNI Scolionema suvaense (Agassiz & Mayer, 1899) 1950-FR: Picard 1951 IT: see Servello et al. 2019
CNI Cassiopea andromeda (Forskål, 1775) 1903-CY: Maas 1903 GR, IL, IT, LB, MT, TN, TR -see EASIN
CRU Acartia (Acanthacartia) fossae Gurney, 1927 1970s-LB: Lakkkis, 1976 EG: Abd El-Rahman 2005
CRU Acrocalanus gibber Giesbrecht, 1888 1966-LB: Lakkis 1990 EG: Abd El-Rahman 2005
CRU Arietellus pavoninus Sars G.O., 1905 1967-GR: Moraitou-Apostolopoulou 1969 EMED: Zenetos et al. 2010
CRU Centropages furcatus (Dana, 1849) 1989-LB: Lakkis 1990 EG, GR,TR, LB-see EASIN
CRU Labidocera madurae Scott A., 1909 1970s-LB: Lakkis 1976 EG: Abd El-Rahman 2005/TR: Lakkis et al. 2005
CRU Paracartia grani Sars G.O., 1904 1975-ES: Bradford-Grieve 1999 FR, GR, IT, LB, SY, TN, TR- see EASIN
CRU Triconia rufa (Boxshall & Böttger, 1987) 1982-LB: Malt et al. 1989 IT: see Servello et al. 2019/EG: Abd El-Rahman 2005
CRU Triconia umerus (Böttger-Schnack & Boxshall, 1990) 2004-IT: Di Capua and Boxshall 2008 locally established -see Servello et al. 2019
CRU Livoneca redmanii Leach, 1818 <2015-EG: Rania and Rehab 2015 locally established -see Abdel-Latif 2016
CRU Mesanthura cf. romulea Poore & Lew Ton, 1986 <1989-EG: Samaan et al. 1989 CY, ES, GR, IT, MT, TN, TR-see Ulman et al. 2017
CRU Synidotea variegata Collinge, 1917 1983-84-EG: Ramadan 1986 locally established –see Ramadan et al. 1998
CRU Neomysis integer (Leach, 1814) 1939-FR: Băsescu 1941 ES: Munilla and San 2005
CRU Megabalanus tintinnabulum (Linnaeus, 1758) 1791-IT: Poli 1791 as Lepas balanus Linnaeus, 1758 DZ, EG, GR, HR, IL, MT, SI -see EASIN
MOL Lottia sp. Gray, 1833 2015-IT: Scuderi and Eernisse 2016 locally established -see Servello et al. 2019
MOL Nerita sanguinolenta Menke, 1829 1969-GR: Nordsieck 1973 EG, LY, TN, TR-see EASIN
RHO Caulacanthus okamurae Yamada 2004-FR: Mineur et al. 2007 FR: confirmed by M. Verlaque
RHO Diplothamnion jolyi C. van den Hoek, 1978 2012-MA: Moussa et al. 2015 locally established
RHO Spermothamnion cymosum (Harvey) De Toni 2010-IT: Armeli 2013 locally established -see Servello et al. 2019
SIP Phascolosoma scolops (Selenka & de Man, 1883) 1975-HR: Murina 1976 CY: Açik et al. 2005
  1. Abbreviations for taxonomic groups are as follows: BRY Bryozoa, CNI Cnidaria, CRU Crustacea, MOL Mollusca, RHO Rhodophyta, SIP Sipuncula. Country codes follow the internationally accepted two-letter codes for countries (https://www.worldatlas.com/aatlas/ctycodes.htm)