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Table 2 Morphogenesis comparisons of Gastrostyla-like species

From: The insights into the systematic relationship of Gastrostyla-affinitive genera, with report on a new saline soil ciliate genus and new species (Protozoa, Ciliophora)

Charactera Heterogastrostyla salina nov. gen., nov. spec. Neogastrostyla aqua Gastrostyla spp. Hemigastrostyla paraenigmatica Hemigastrostyla enigmatica Apogastrostyla rigescens Protogastrostyla pulchra
Parental AZM Completely retained Completely retained Completely retained Only apical part retained Only apical part retained Only apical part retained Only apical part retained
FVTA Primary primordia Primary primordia? Secondary primordia Primary primordia Primary primordia Primary primordia Primary primordia
Anlage V contribute PTVC Yes No Yes Yes Yes Yes Yes
RMA Intrakinetally Intrakinetally Intrakinetally De novo De novo De novo De novo
LMA Intrakinetally Intrakinetally Intrakinetally Intrakinetally De novo Intrakinetally Intrakinetally in proter and/or de novo in opisthe (?)
RMA anterior part differentiated into paired basal bodies, which then become dorsomarginal row Yes No No Yes No No Yes
Formation of extra cirri No No No Yes Yes Yes No
DKA Likely primary primordia Secondary primordia Secondary primordia Likely primary primordia Secondary primordia Likely primary primordia Primary primordia
Dorsal pattern Urosomoida-like pattern Urosomoida-like pattern Oxytricha-like pattern Hemigastrostyla-like pattern Hemigastrostyla-like pattern Gonostomum-like pattern Gonostomum-like pattern
Parental DK Completely resorbed Completely resorbed Completely resorbed Completely resorbed Completely resorbed Completely resorbed Retained
Data source present work Kaur et al. (2019) [20] Foissner (1982) [33] Song and Wilbert (1997) [19] Shao et al. (2013) [38] Li et al. (2010) [17] Hu and Song (2000) [39]
  1. aData are based on protargol-stained specimens. Measurements in μm.
  2. Abbreviations: AZM adoral zone of membranelles, DK dorsal kineties, DKA dorsal kinety anlagen, FVTA fronto-ventral-transverse anlagen, LMA left marginal anlage, PTVC pretransverse ventral cirri, RMA right marginal anlage.