On the taxonomic status of Holothuria (Holothuria) tubulosa (s. s.) from the Algerian coast with the description of a new Mediterranean species, Holothuria (Holothuria) algeriensis n. sp. (Echinodermata: Holothuroidea: Holothuriidae) Author Mezali, Karim Protection, Valorization of Coastal Marine Resources and Molecular Systematics Laboratory. Department of Marine Science and Aquaculture. Faculty of Natural Sciences and Life. Abdelhamid Ibn Badis University-Mostaganem, PO Box 227, Route nationale N ° 11, Kharrouba, 27000, Mostaganem, Algeria. Author Thandar, Ahmed S. School of Life Sciences, University of KwaZulu-Natal, P / Bag X 54001, Durban 4000, South Africa. Author Khodja, Ihcene text Zootaxa 2021 2021-06-03 4981 1 89 106 journal article 5927 10.11646/zootaxa.4981.1.4 fcb42055-1ae9-4705-b471-a6b9ab150e33 1175-5326 4897620 C86B7AAB-F7D3-4ED0-9C81-F141416F6118

TABLE 2. Mean ± sd (standard deviations) values of measurements (in µm) of ossicles of the dorsal surface. The average values obtained from ten measurements for each type (tables and buttons). Refer to Table 1 for abbreviations of variables.

	LBD	WBD	WhBD	NhBD	HSD	DDD	RDHD
H. tubulosa (s.s.) CMNI 2021 – 0195	101.25 ± 14.11	44.25 ± 7.46	6.75 ± 2.37	9 ± 1	48.10 ± 4.89	51 ± 7.38	10.60 ± 1.17
H. algeriensis n. sp. UF5187	69.10 ± 21.64	35.60 ± 5.14	7.80 ± 2.19	8 ± 3	37.10 ± 6.97	38.10 ± 8.90	10.22 ± 1.08
H. poli UF 5491	36.25 ± 12.49	28.60 ± 8.24	6.25 ± 2.95	6 ± 2	49.20 ± 6.29	56.20 ± 8.16	11.47 ± 1.27
H. arguinensis CMNI 2021 – 0194	64.85 ± 9.03	32.45 ± 19.73	9.75 ± 0.79	9 ± 2	43.60 ± 6.88	43.20 ± 7.37	10.05 ± 1.88
H. stellati UF 5468	61 ± 15.42	29.85 ± 7.16	6.75 ± 1.21	7 ± 2	48.50 ± 4.12	49 ± 5.16	10.12 ± 0.76