Psolidium Ludwig 1886 ...

• Main Authors: O'Loughlin, P. Mark, Ahearn, Cynthia
• Format: Text
• Language: unknown
• Published: Zenodo 2008
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Holothuroidea; Dendrochirotida; Psolidae; Psolidium; Antarc*; Antarctic
• Online Access: https://dx.doi.org/10.5281/zenodo.10665990; https://zenodo.org/doi/10.5281/zenodo.10665990

Key to Antarctic and Sub-Antarctic species of Psolidium Ludwig, 1886 1. Mid-ventral (sole) radial series of tube feet present 2 — Lacking mid-ventral (sole) radial series of tube feet 3 2. Ossicles in sole include irregularly oval to round disc-like smooth plates, variably with few minute, closed to almost closed, perforations P. disciformis (Théel, 1886) (S Chile) — Irregularly oval to round, disc-like smooth plates, variably with few minute, closed to almost closed, perforations, not present in sole P. dorsipes Ludwig, 1886 (S Chile, S Argentina, Strait of Magellan, Burdwood Bank, Falkland Is) 3. Dorsally with deep goblet-like cups, closed across rim, vertical spines above rim; brood-protects in folds of sole P. incubans Ekman, 1925 (South Georgia) — Dorsally lacking deep goblet-like cups closed across rim; no brood-protection in folds of sole 4 4. Dorsal and lateral scales conspicuous; dorsal and lateral tube feet inconspicuous; lacking numerous dorsal and lateral tube feet support ossicles; crosses and ... : Published as part of O'Loughlin, P. Mark & Ahearn, Cynthia, 2008, Antarctic and Sub-Antarctic species of Psolidium Ludwig (Echinodermata: Holothuroidea: Psolidae), pp. 23-42 in Memoirs of Museum Victoria 65 on pages 24-25, DOI: 10.24199/j.mmv.2008.65.2, http://zenodo.org/record/10665899 ...