DOI: 10.5281/zenodo.15146729
title: Table 2 in Taxonomic implications of describing a new species of Loimia (Annelida, Terebellidae) with two size-dependent morphotypes

description: Table 2. Summary of the morphological characters diferring between larger and smaller specimens of Loimia davidi sp. nov.
CharactersLargerSmallerThorax length57 mm19 mmThorax width12 mm3.6 mmTentaclesvery abundantscarceEyespotsabsentpresent in some specimens, numerous, diameter progressively decreasing dorsalwardsUpper liptongue-shaped, wider than longer, not projecting over first pair of lateral lappetsspoon-like, well projecting forward, wider than longer; thicker at base, almost completely hidden ventrally by first pair of lateral lappetsLower lipsquareswollen, with conical tipLateral lappetselephant ear-shaped, similar in size, first pair with a poorly-developed joining membranequadrangular, with different size, first pair with a well-developed joining membraneBranchiaedendritic branches arranged in 8 levelsdendritic branches arranged in 4 levelsPresence of ventral shieldsfrom segment 2, on 15 segmentsfrom segment 2, on 14 segmentsAnterior ventral shields9, similar width, wider than longer10, similar width, wider than longer, but 5–7 clearly narrowerPosterior ventral shields6, darker, progressively narrowing, giving an overall triangular appearance4, whitish, progressively narrowing, giving an overall triangular appearanceFused ventral shieldssegments 2–3segments 2–3Transversally non-grooved ventral shieldssegments 2–10segments 2–10Ventral shields with 2 transversal groovessegments 11–12segments 11–13Ventral shields with 3 transversal groovessegment 13segment 14Ventral shields with> 3 transversal groovessegments 14–16segment 15Notopodial whitish glandular patcheson first 11 segmentson first 12 segmentsTypes of capillary notochaetae3, alimbate, and uni- and bilimbate2, alimbate and unilimbateNeuropodiafrom segment 5, well-developedfrom segment 5, 7 anterior pairs smallerSize of thoracic uncini120 µm long, 60 µm wide60 µm long, 35 µm wideCrest of thoracic uncini5 teeth over main fang, upper one difficult to see3 teeth over main fangHeel of thoracic unciniround, reducedwell-defined, triangularDorsal button of thoracic uncinipresent, very reducedwell-markedAbdomensingle specimen regenerating posterior endall specimens except one incomplete posteriorlyAnterior abdominal segments3, similar to thoracic segments6, similar to thoracic segment, with better defined segmentationSize of abdominal uncini105 µm long, 55 µm wide46 µm long, 30 µm wideCrest of abdominal uncini5 teeth over main fang, upper one much smaller4 teeth over main fangBack of abdominal uncinislightly curved, 2.5 times as long as prowcurved, 3 times longer as long as prowHeel of abdominal unciniinconspicuouswell-defined, triangularDorsal button of abdominal uncinistrongly reducedwell-markedAnusterminal, surrounded by 18 terminal papillaeterminal, round, surrounded by 7 terminal papillaeAnal terminal papillaesmall, cirriform; 12 dorso-laterally, broadly grouped in pairs; 6 ventro-laterally, individuallong, conical, forming 2 clearly separated groups of 5 dorsolateral and 2 ventral papillae
description: Published as part of Martin, Daniel, Capa, María, Martínez, Alejandro & Costa, Ana Cristina, 2022, Taxonomic implications of describing a new species of Loimia (Annelida, Terebellidae) with two size-dependent morphotypes, pp. 75 in European Journal of Taxonomy 833 on page 75, DOI: 10.5852/ejt.2022.833.1887, http://zenodo.org/record/6949902