From: A new species of Laonice (Spionidae, Polychaeta, Annelida) from Bellingshausen Sea (West Antarctica)
L. antarcticae | L. weddellia | L. vieitezi n. sp. | |
---|---|---|---|
Frontal horns | Present | Absent | Absent |
Occipital tentacle | Long, digitiform | Short, digitiform | Short, triangular |
Eyes | Rudimentary or absent | Distinct | Rudimentary or absent |
Maximum length of caruncle | To chaetiger 12 | To chaetigers 12–20 | To chaetigers 16–19 |
Rows of capillaries in anterior podial lobes | Up to two | Up to five | Up to five |
Start of sabre chaetae | Chaetigers 23–24 | Chaetigers 11–13 | Chaetigers 20–27 |
Start of neuropodial hooks | Chaetigers 35–40 | Chaetigers 20–21 | Chaetigers 34–37 |
Start of neuropodial pouches | Chaetigers 4–5 | Chaetigers 8–11 | Chaetigers 16–17 |