Published March 26, 2026 | Version v1
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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

  • 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.

CharacterLoimia ingens (Grube, 1878)Loimia ingens sensu Hutchings & Glasby1988Loimia ingens sensu Wang et al. 2020Loimia hannae sp. nov.
1 st lateral lobeWell developedWell developed, connected mid-ventrallyRounded, connected mid-ventrallyWell developed, connected mid-ventrally
2 nd lateral lobeArises from the junction S2 and S3Arises from the junction S2 and S3, not extending ventrallyProminent and rounded, arises from the junction S2 and S3, not extending ventrallyEar-shaped, rounded, in segment 3, not extending ventrally
Type localityBohol, PhilippinesAustraliaChinaIsrael
DistributionPhilippinesSouth PacificChinaEast Med – Israel and Lebanon
PigmentationWhite lateral bands on the thorax and anterior abdomenRanges from lack of pigmentation to banded buccal tentacles and body pigmentationBeige to pinkish with banded buccal tentacles and blood red region on ventral shieldsVariable – beige to pinkish, with some darker spots on the posterior dorsum
EyespotsNAAbsentAbsent/presentAbsent/present
Branchiae3 pairs, 2–4 seg. Decreasing in size from 1st to 3rd. Short stalk3 pairs, 2–4 seg. Vary in size3 pairs, 2–4 seg. 1st and 2nd same size, 3rd smallest. Long basal stem3 pairs, 2–4 seg. decreasing in size. Short basal stem
Ventral shieldsSegments 2–15NASegments 3–14, rectangular to trapezoidalSegments 2–15 (holotype) 2–17 (other material), rectangular and trapezoidal
Abdominal mid ventral grooveNANAPresentPresent
Uncini no. of teeth33–53–74–6
PygidiumNANANot seenPygidium with 7–8 papillae
SourceGrube 1878Hutchings & Glasby 1988Wang et al. 2020This study

Notes

Published as part of Goren, Liron & Martin, Daniel, 2026, Uncovering cryptic diversity in Loimia (Annelida: Terebellidae), with the description of two new species from the Eastern Mediterranean, pp. 52 in European Journal of Taxonomy 1048 on page 52, DOI: 10.5852/ejt.2026.1048.3233, http://zenodo.org/record/19366990

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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