- Arms
- Arms IV
- Small suckers in 2 series in males and females
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Figure. Oral views of arms IV from Pacific P. gemmata. Top - Female, left arm. Bottom - Male, right arm. ©
- Left arm hectocotylized; hectocotylus plate with many small teeth.
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Figure. Upper left - P. gemmata toothed plates from the hectocotylus of two males from off California (redrawn from Young, 1972) and from one male from off New Zealand (redrawn from Riddell, 1985). Bottom left - P. microlampas toothed plates from two males from off New Zealand (redrawn from Riddell, 1985). Right - A cleared hectocotylus of P. microlampas from Hawaiian waters showing the toothed plate. Black dots throughout the arm tissue are artifacts. Photograph by R. Young.
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Figure. Hectocotylus of P. gemmata, 27 mm ML, off Southern California, toothed plate not visible. Drawing from Young, 1972.
- Arms IV
- Tentacle suckers - in 4 series with proximal 2-4 rows with enlarged dorsal suckers. Click on an image to view larger version & data in a new window
Figure. Oral vierw of a tentacle from a female P. gemmata. ©
- Head
- Buccal membrane - with irregular papillae.
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Figure. Oral view of the buccal membrane from a male P. gemmata (note numerous papillae). ©
- Buccal membrane - with irregular papillae.
- Pigmentation
- Tentacular chromatophores
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Figure. Side view of a tentacle stalk (and chromatophores) from a female P. gemmata. ©
- Tentacular chromatophores
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