Table 3 Morphological characters of Lamellibrachia columna and Lamellibrachia sagami. OL Obturaculum length, OW Obturaculum width, BL Number of branchial lamellae, SL Number of sheath lamellae, VP diameter of vestimental plaques, TP diameter of trunk plaque
Taxon | n | OL (mm) | OW (mm) | BL | SL | VP (μm) | TP (μm) | Reference |
|---|---|---|---|---|---|---|---|---|
Lamellibrachia columna | 13 | 15–42 | 8–13 | 21 | 8–16 | 65–90 | 70–120 | |
Lamellibrachia columna (New Zealand) | 3 | 7–13 | 5–8 | 20–22 | 14–16 | 59–60 | 67–75 | This study |
Lamellibrachia sagami (holotype, Sagami Bay) | 1 | 15.7 | 10.5 | 25 | 5 | 67–81 | 91–102 | Kobayashi et al. 2015 |
Lamellibrachia sagami (paratypes, Sagami Bay) | 17 | 5.8–22.5 | 4.4–10.8 | 19-26 | 3–6 | 59–101 | 67–130 | Kobayashi et al. 2015 |
Lamellibrachia sagami (Nankai Trough) | 1 | 10.2 | 6.8 | 23 | 5 | 58–67 | 70–104 | Kobayashi et al. 2015 |