Sessilogoga Grygier 1990
Creators: name: Kolbasov, Gregory A.
name: Savchenko, Alexandra S.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Maxillopoda
Laurida
Synagogidae
Sessilogoga

description: Genus Sessilogoga Grygier, 1990
Type species Sessilogoga elongata Grygier, 1990
Key to genera of the family Synagogidae and species of the genus Sessilogoga (based on morphology of females)
1 Carapace functionally bivalved, with long aperture, thorax without dorsal humps or horns, parasites of antipatharians or crinoids............................................................................................. 2
- Carapace functionally univalved, with restricted aperture (medium or short), thorax with dorsal humps or horns, mesoparasites of octocorals (unknown for Flatsia)....................................................................... 6
2 Epaulets on thoracomere 6 absent, frontal filament complex small, endoparasites of antipatharians.......... 3 (Sessilogoga)
- Epaulets on thoracomere 6 present, frontal filament complex developed, ectoparasites of antipatharians or crinoids........ 5
3 Furcal rami length/height ratio 4.0–5.0............................................................. S. captiva
- Furcal rami length/height ratio 6.0–9.0.................................................................... 4
4 Furcal rami length/height ratio 7.5–9.0, telsonic spines denticulate...................................... S. elongata
- Furcal rami length/height ratio 6.0–6.5, telsonic spines smooth.......................................... S. perfuga
5 Ventral margin of carapace valves unflattened, without pair of big anterior pores, filamentary appendage of thoracopod 1 absent, ectoparasites of antipatharians.............................................................. Synagoga
- Ventral margin of carapace valves flattened, with pair of big anterior pores, filamentary appendage of thoracopod 1 present, ectoparasites of crinoids......................................................................... Waginella
6 Carapace with special superficial grapnels and antero-ventral anchoring protrusion, parasites of octocorals of genus Chrysogorgia ......................................................................... Thalassomembracis
- Carapace without special superficial grapnels and antero-ventral anchoring protrusion............................... 7
7 Thoracomeres with mid-dorsal dorsal humps, carapace aperture of medium length, host unknown................ Flatsia
- Thoracomeres with long dorsal horns, carapace aperture small, parasites of octocorals of orders Malacalcyonacea and Scleralcyonacea...................................................................................... 8
8 Dorsal horns present on thoracomeres 1–3, but never on thoracomeres 4 or 5, parasites of octocorals of families Paramuriceidae, Eunicellidae and Primnoidae ................................................................ Gorgonolaureus
- Dorsal horns present on thoracomeres 2–5, but never on thoracomere 1.......................................... 9
9 Females with uniramous penis, telsonic spines considerably shorter than furcal rami, parasites of octocorals of family Keratoisididae ................................................................................. Isidascus
- Females with bifurcate penis, telsonic spines comparable in length to furcal rami, parasites of octocorals of family Chrysogorgiidae ............................................................................ Cardomanica
description: Published as part of Kolbasov, Gregory A. & Savchenko, Alexandra S., 2024, A new species of Sessilogoga (Crustacea: Thecostraca: Ascothoracida) parasitic in an antipatharian from Bidong Island, Malaysia, pp. 182-200 in Zootaxa 5555 (2) on pages 185-199, DOI: 10.11646/zootaxa.5555.2.2, http://zenodo.org/record/14594576