Fig. 6: Genomic and transcriptomic comparisons across Lophotrochozoa and the biomineralisation toolkit.
From: The Scaly-foot Snail genome and implications for the origins of biomineralised armour
a Genome-based phylogeny of selected taxa showing the position of the Scaly-foot Snail among lophotrochozoans and divergence times among molluscan lineages. Error bars indicate 95% confidence levels. The Scaly-foot Snail is highlighted in red, Gastropoda in pink, Mollusca in blue, and Lophotrochozoa in orange. b Transcription factors shown to be involved in armature secretion in the Scaly-foot Snail, compared with conchiferan molluscs (bivalves, gastropods, cephalopods), aculiferan molluscs (chitons), brachiopod, and annelids. Transcription factors only verified for the Scaly-foot Snail are highlighted in red, those known to be shared across Mollusca in blue, and those shared across Lophotrochozoa in orange. The top row for each group (darker shading) shows records of significant expression in shell-secreting mantle and bottom row (lighter shading) shows expression for other hard parts such as scales. Ma, million years ago. Source data are provided as a Source Data file.
