Published March 26, 2026
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Table 2. A in Uncovering cryptic diversity in Loimia (Annelida: Terebellidae), with the description of two new species from the Eastern Mediterranean
Authors/Creators
- 1. The Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv, Israel.
- 2. Centre d'Estudis Avançats de Blanes (CEAB-CSIC), Carrer d'accés a la Cala Sant Francesc 14, 17300 Blanes (Girona), Catalunya, Spain.
Description
Table 2. A comparison of the main morphological characters between species of Loimia ingens complex and L. hannae sp. nov.
| Character | Loimia ingens (Grube, 1878) | Loimia ingens sensu Hutchings & Glasby1988 | Loimia ingens sensu Wang et al. 2020 | Loimia hannae sp. nov. |
|---|---|---|---|---|
| 1 st lateral lobe | Well developed | Well developed, connected mid-ventrally | Rounded, connected mid-ventrally | Well developed, connected mid-ventrally |
| 2 nd lateral lobe | Arises from the junction S2 and S3 | Arises from the junction S2 and S3, not extending ventrally | Prominent and rounded, arises from the junction S2 and S3, not extending ventrally | Ear-shaped, rounded, in segment 3, not extending ventrally |
| Type locality | Bohol, Philippines | Australia | China | Israel |
| Distribution | Philippines | South Pacific | China | East Med – Israel and Lebanon |
| Pigmentation | White lateral bands on the thorax and anterior abdomen | Ranges from lack of pigmentation to banded buccal tentacles and body pigmentation | Beige to pinkish with banded buccal tentacles and blood red region on ventral shields | Variable – beige to pinkish, with some darker spots on the posterior dorsum |
| Eyespots | NA | Absent | Absent/present | Absent/present |
| Branchiae | 3 pairs, 2–4 seg. Decreasing in size from 1st to 3rd. Short stalk | 3 pairs, 2–4 seg. Vary in size | 3 pairs, 2–4 seg. 1st and 2nd same size, 3rd smallest. Long basal stem | 3 pairs, 2–4 seg. decreasing in size. Short basal stem |
| Ventral shields | Segments 2–15 | NA | Segments 3–14, rectangular to trapezoidal | Segments 2–15 (holotype) 2–17 (other material), rectangular and trapezoidal |
| Abdominal mid ventral groove | NA | NA | Present | Present |
| Uncini no. of teeth | 3 | 3–5 | 3–7 | 4–6 |
| Pygidium | NA | NA | Not seen | Pygidium with 7–8 papillae |
| Source | Grube 1878 | Hutchings & Glasby 1988 | Wang et al. 2020 | This study |
Notes
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Additional details
Identifiers
References
- Grube A. E. 1878. Annulata Semperiana. Beitrage zur Kenntnis der Annelidenfauna der Philippinen nach den von Herrn Prof. Semper mitgebrachten Sammlungen. Memoires de l'Academie imperiale des Sciences de St Petersbourg, VIIe Serie 25 (3): 1-300. https://doi.org/10.5962/bhl.title.85345
- Hutchings P. & Glasby C. J. 1988. The Amphitritinae (Polychaeta: Terebellidae) from Australia. Records of the Australian Museum 40 (1): 1-60. https://doi.org/10.3853/j.0067-1975.40.1988.150
- Wang W., Sui J., Kou Q. & Li X. Z. 2020. Review of the genus Loimia Malmgren, 1866 (Annelida, Terebellidae) from China seas with recognition of two new species based on integrative taxonomy. PeerJ 8: e 9491. https://doi.org/10.7717/peerj.9491