taxonID	type	description	language	source
6EFEDDF2719D5EFD92CA88239F39171D.taxon	diagnosis	Diagnosis of the genus (after Mazzini et al. 2017). carapace 0.48 – 0.80 mm long, W <1 / 3 L. Calcified inner lamella of valves narrow, marginal pore canals rare. Valve shape in lateral view trapezoidal, triangular or elongated, surface smooth or slightly ornamented. A 2 of male with or without male bristles, aesthetasc Y conspicuously long (≥ 60 % of first endopodal segment). T 1 – respiratory plate with three filaments. Male T 1 – palps (clasping organs) only slightly asymmetrical. T 3 four – or five-segmented; protopodite with three setae (d 1, d 2, and dp), seta f often present, distal segment with one long (h 3) and two very short setae (h 1 and h 2). CR with short Sp. Hemipenis with a finger-shaped outer lobe, M-process absent. Eye pigment absent. Exclusively stygobitic species.	en	Rossetti, Giampaolo, Sarbu, Serban M., Ștefan, Andrei, Motoc, Rozalia, Mazzini, Ilaria (2025): Mixtacandona thessalica, a new species of ostracod (Crustacea, Ostracoda) from a sulfidic cave in central Greece. Subterranean Biology 52: 111-133, DOI: 10.3897/subtbiol.52.142113
56AF7ABAFBBD5B0EB8CA92A131CDE2E5.taxon	description	Figs 2, 3, 4, 5, 6, 7 A, B	en	Rossetti, Giampaolo, Sarbu, Serban M., Ștefan, Andrei, Motoc, Rozalia, Mazzini, Ilaria (2025): Mixtacandona thessalica, a new species of ostracod (Crustacea, Ostracoda) from a sulfidic cave in central Greece. Subterranean Biology 52: 111-133, DOI: 10.3897/subtbiol.52.142113
56AF7ABAFBBD5B0EB8CA92A131CDE2E5.taxon	etymology	Etymology. The specific name derives from the Latin adjective “ thessalicus ” (conjugated feminine), indicating the origin from Thessaly, the region of Greece where Melissotrypa Cave is located.	en	Rossetti, Giampaolo, Sarbu, Serban M., Ștefan, Andrei, Motoc, Rozalia, Mazzini, Ilaria (2025): Mixtacandona thessalica, a new species of ostracod (Crustacea, Ostracoda) from a sulfidic cave in central Greece. Subterranean Biology 52: 111-133, DOI: 10.3897/subtbiol.52.142113
56AF7ABAFBBD5B0EB8CA92A131CDE2E5.taxon	description	Measurements. L of ♂♂ (n = 9): range 520 – 558 µm, mean ± SD 546.0 ± 12.1 µm; L of ♀♀ (n = 4): range 543 – 585 µm, mean ± SD 569.5 ± 18.3 µm.	en	Rossetti, Giampaolo, Sarbu, Serban M., Ștefan, Andrei, Motoc, Rozalia, Mazzini, Ilaria (2025): Mixtacandona thessalica, a new species of ostracod (Crustacea, Ostracoda) from a sulfidic cave in central Greece. Subterranean Biology 52: 111-133, DOI: 10.3897/subtbiol.52.142113
56AF7ABAFBBD5B0EB8CA92A131CDE2E5.taxon	diagnosis	Diagnosis. Small-medium sized Mixtacandona, belonging to the laisi – chappuisi species group (see Discussion). Females slightly larger than males, but with some overlap in lengths. Cp with an elongated, lateral outline (H / L ≅ 0.45 in both sexes) and narrow in dorsal view (W <1 / 3 of L). Valve surface smooth, covered with sparse setae. LV slightly overlapping RV on all sides, more markedly in the postero-dorsal corner, especially in males. Ventral margin straight, dorsal margin gently arched, greatest height at middle length. Posterior margin rounded in females, straight in males. Aesthetasc Y on A 2 approximately as long as the first endopodal segment. A 2 with second endopodal segment subdivided in males and undivided in females, setae t 2 and t 3 transformed into bristles in males. Seta f on T 2 present. T 3 with a three-segmented endopodite (second and third endopodal segments partially fused), seta h 2 longer than last endopodal segment, seta h 3 c. as long as the endopodite.	en	Rossetti, Giampaolo, Sarbu, Serban M., Ștefan, Andrei, Motoc, Rozalia, Mazzini, Ilaria (2025): Mixtacandona thessalica, a new species of ostracod (Crustacea, Ostracoda) from a sulfidic cave in central Greece. Subterranean Biology 52: 111-133, DOI: 10.3897/subtbiol.52.142113
56AF7ABAFBBD5B0EB8CA92A131CDE2E5.taxon	description	Description. Carapace and valves. Male Cp in lateral view with elongate, subtrapezoidal shape (Fig. 3 A, B). Greatest H around mid-length. Ventral margin straight. RV: Dorsal margin gently arched, anteriorly slightly sloping more steeply than posteriorly. Greatest length just below mid-height. Anterior margin rounded. Posterior margin bluntly more pointed than anterior one (Fig. 3 A). LV: general outline similar to RV but with a subtle posterior dorsal protuberance that overlaps RV, forming an obtuse angle with the dorsal margin. The characteristic posterior protuberance is more evident in males (Fig. 3 D) than in females (Fig. 3 C). Surface ornamentation consists of a delicate pattern similar to a vascular pattern (Fig. 3 F, G). Simple pore canals with a lip and sensory seta (Fig. 3 G). LV overlaps RV at both ends (Fig. 3 H, I). Marginal pore canals short, simple and scattered. Central muscle scar arrangement as characteristic for the genus. Soft parts. A 1 (Fig. 4 A): first segment with two long dorsal setae and two shorter setae on the ventral margin; second segment with a short ventral seta apically; third segment with short apical setae, one ventral and one dorsal; fourth and fifth segments with a short dorsal seta and two long, unequal ventral setae greatly exceeding tip of last segment; sixth segment with a dorsal setae reaching c. 2 / 3 of the next segment and two very long ventral setae; seventh (terminal) segment bearing two very long setae and a shorter one, the latter slightly longer than aesthetasc ya. A 2 ♂ (Figs 4 B, 6 A – C): protopodite with a long ventral seta; exopodite with one long seta and two tiny, unequal setae; endopodite four-segmented (second segment subdivided); first endopodal segment with aesthetasc Y placed at c. 1 / 3 of the ventral margin and as long as the segment, three-segmented (distal part widened), and two ventro-apical setae, one largely exceeding the last segment of endopodite and the other very tiny; second endopodal segment bearing a sub-apical aesthetasc y 1 and an apical seta ventrally, and on the internal side setae t 1 - 4, of which the two median transformed into bristles; third endopodal segment with sub-equal apical claws (G 1 and G 3), more dorsally another claw (G 2) slightly shorter than half the length of the previous ones, three setae (z 1 - 3) in sub-apical position, and a ventro-apical aesthetasc (y 2); fourth segment with two claws, one (Gm) about 70 % the length of the other (GM), and an apical aesthetasc (y 3) with its companion seta ventrally. A 2 ♀ (Figs 4 C, 6 D): endopodite three-segmented (second segment undivided); second endopodal segment with short seta inserted at the half of the dorsal margin, unequal setae t 1 – 4, setae z 2 and z 3 about 2 / 5 as long as seta z 1, aesthetascs y 1 and y 2 respectively at mid and sub-apical position along the ventral margin, apical claw G 2 c. 3 / 5 the length of G 1 and G 3; third endopodal segment distally with claw Gm about 3 / 4 the length of GM, and aesthetasc y 3 with its companion seta. T 1 ♂ (Figs 4 D, E, 6 E): endopodite palps slightly asymmetrical, left one slightly more bumped and sinuous than right one. T 2 (Figs 5 A; 6 F): endopodite four-segmented, second and third segments with apical short setae (f and g); fourth segment with a stout, terminal claw h 2 slightly longer than the three distal endopodal segments, flanked by setae h 1 and h 3, the latter very tiny and c. 1 / 3 of h 1. T 3 (Figs 5 B, 6 G): protopodite with setae dp and d 2 subequal and approximately as long as the next segment, seta d 1 shorter than previous ones; endopodite three-segmented (second segment partially subdivided); first endopodal segment without setae, second segment with a tiny sub-apical seta (g); third segment with three apical setae, the first (h 1) very small, the second (h 2) a little longer than the distal endopod segment, the third (h 3) slightly shorter than the endopodite. CR (Fig. 5 C): seta Sp inserted at about 2 / 3 of the posterior margin; seta Sa strongly reduced, claw Gp c. 3 / 4 Ga. Hemipenis (Figs 5 D, 6 H): median part of inner margin straight, lobe a thin and pointed distally, lobe b roughly triangular with the apical part folded and thickened, lobe h thumb-shaped with chitinous distal margin. Zenker organ (Fig. 5 E): thin and with 5 + 2 spinous whirls. Eye absent. Other appendages as typical for the genus Mixtacandona.	en	Rossetti, Giampaolo, Sarbu, Serban M., Ștefan, Andrei, Motoc, Rozalia, Mazzini, Ilaria (2025): Mixtacandona thessalica, a new species of ostracod (Crustacea, Ostracoda) from a sulfidic cave in central Greece. Subterranean Biology 52: 111-133, DOI: 10.3897/subtbiol.52.142113
56AF7ABAFBBD5B0EB8CA92A131CDE2E5.taxon	distribution	Distribution. The species is only known from its type locality.	en	Rossetti, Giampaolo, Sarbu, Serban M., Ștefan, Andrei, Motoc, Rozalia, Mazzini, Ilaria (2025): Mixtacandona thessalica, a new species of ostracod (Crustacea, Ostracoda) from a sulfidic cave in central Greece. Subterranean Biology 52: 111-133, DOI: 10.3897/subtbiol.52.142113
