Agatha (gastropod)

Agatha is a small genus of minute sea snails or marine gastropod mollusks within the subfamily Syrnolinae, which is a part of the family Pyramidellidae.^[2]

Agatha
Shell of Agatha obesa (holotype at MNHN, Paris)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Family:	Pyramidellidae
Subfamily:	Syrnolinae
Tribe:	Syrnolini
Genus:	Agatha A. Adams, 1860[1]
Type species
Agatha virgo A. Adams, 1860
Species
See text
Synonyms
Amathis A. Adams, 1861 (objective synonym) Pyramidella (Agatha) A. Adams, 1860

They have bilateral symmetry and only have endoderm and ectoderm tissues.^{[citation needed]}

The species of this genus are ectoparasites on other invertebrates.

Distribution

• Marine

Species

• † Agatha alexanderi (Marwick, 1929)
• Agatha amabilis Nomura, 1936
• Agatha australis (Angas, 1871)
• Agatha brevis Yokoyama, 1922
• Agatha filia (Melvill, 1893)
• Agatha georgiana (Hutton, 1885)
• Agatha laevis (Angas, 1867)
• Agatha obesa Peñas & Rolán, 2016
• † Agatha otaioensis Laws, 1940
• Agatha pacei (Dautzenberg & Fischer, 1906)
• † Agatha pittensis (Marwick, 1928)
• Agatha placida Nomura, 1936
• Agatha vestalis Melvill, 1910
• Agatha virgo Weisbord, 1962

Species brought into synonymy

• Agatha angasi (Tryon, 1886): synonym of Syrnola angasi (Tryon, 1886)
• Agatha infrequens Nomura, 1937: synonym of Odostomia infrequens (Nomura, 1937)
• Agatha lepidula Habe, 1961: synonym of Tibersyrnola lepidula (Habe, 1961)
• Agatha simplex (Angas, 1871): synonym of Megastomia simplex (Angas, 1871)