Scleroconcha

Key to species of the genus Scleroconcha (only species south of 35°S included) For adult females (also for male A-1 of S. frons unknown for S. sculpta ) 1 Length of carapace shorter than 2.5 mm. 2 - Length of carapace longer than 2.5 mm. 4 2 Carapace with lateral ribs. 3 - Carapace without lateral r...

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Bibliographic Details
Main Authors: Chavtur, Vladimir G., Keyser, Dietmar
Format: Other/Unknown Material
Language:unknown
Published: Zenodo 2016
Subjects:
Online Access:https://doi.org/10.5281/zenodo.6069960
http://treatment.plazi.org/id/18659911FFB5C934FF08B17CFA36F818
Description
Summary:Key to species of the genus Scleroconcha (only species south of 35°S included) For adult females (also for male A-1 of S. frons unknown for S. sculpta ) 1 Length of carapace shorter than 2.5 mm. 2 - Length of carapace longer than 2.5 mm. 4 2 Carapace with lateral ribs. 3 - Carapace without lateral ribs. S. wolffi 3 Second endopodial joint of antenna short, 7th limb without peg on opposite comb. S. pix - Second endopodial joint of antenna long, 7th limb with peg on opposite comb. S. flexilis 4 Rostrum on valves of carapace with ventral horn. 5 - Rostrum on valves of carapace without ventral horn. 6 5 Terminal comb of 7th limb has 8 teeth with long marginal spines, caudal furca with 15+15 claws. S. solox - Terminal comb of 7th limb has 15–17 teeth with long marginal spines, caudal furca with 13+13 (14) claws. S. arcuata 6 Terminal comb of 7th limb has bare teeth or pegs, base of Bellonci organ segmented. 7 - Terminal comb of 7th limb has alate teeth with short spines, base of Bellonci organ unsegmented. 8 7 Medial eye with 3 tubercles. S. tuberculata sp. nov. - Medial eye bare. S. gallardoi 8 Carapace elongated, with thin ribs. S. edentata - Carapace short, with thick ribs. S. appelloefi Published as part of Chavtur, Vladimir G. & Keyser, Dietmar, 2016, Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean, pp. 1-70 in Zootaxa 4141 (1) on page 5, DOI:10.11646/zootaxa.4141.1.1, http://zenodo.org/record/260445