identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
03ED1D20FF81FFC0439DF9A420B8A0FB.text	03ED1D20FF81FFC0439DF9A420B8A0FB.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Aequipecten tehuelchus (d'Orbigny 1842)	<div><p>Aequipecten tehuelchus (d’Orbigny, 1846)</p><p>Figure 2</p></div>	https://treatment.plazi.org/id/03ED1D20FF81FFC0439DF9A420B8A0FB	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Oviedo, Loreley;Pastorino, Guido	Oviedo, Loreley, Pastorino, Guido (2023): Description of the early shell morphology of three species of Pectinidae (Mollusca: Bivalvia) from Argentina. Zootaxa 5361 (3): 427-443, DOI: 10.11646/zootaxa.5361.3.8, URL: https://www.mapress.com/zt/article/download/zootaxa.5361.3.8/52200
03ED1D20FF8DFFCC439DFDA0224BA0D3.text	03ED1D20FF8DFFCC439DFDA0224BA0D3.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Flexopecten felipponei (Dall 1922)	<div><p>Flexopecten felipponei (Dall, 1922)</p><p>Figure 3</p><p>Prodissoconch</p><p>The Prodissoconch-1 has a faint radial striation, without distinct commarginal growth lines, mean length is 81 µm (n = 2). The Prodissoconch-2 has thin commarginal growth lines, mean length of the P-2 is 197 µm (n = 2), and P-1/P-2 length ratio is 0.41 (n = 2) (Table 3, Fig. 3F).</p><p>Nepioconch</p><p>The microsculpture of the LV is fine and presents regularly and densely distributed pits (Fig. 3A, C, E). The mean height of the LV is 1.97 mm (n = 2) and the height of the prismatic stage of RV is 1.93 mm (n = 2) (Table 4).</p><p>The ctenolium develops during the prismatic stage; the AA has an auricle prismatic stage. The byssal notch (RV) is deep, the byssal sinus (LV) still incipient.</p><p>Post-nepioconch</p><p>Ribs begin to develop rather early underlying the pitted and prismatic layer, respectively. The left valve has 28 to 34 faint folds (n = 2), with primary and secondary ribs being difficult to distinguish; there are no scales (Fig. 3A, B, C). The microsculpture of the fold interspaces morphs into elongate pits that, towards the shell edge, become fine antimarginal ridges and gutters (Fig. 3C).</p><p>The posterior and anterior auricles of the LV, and the posterior auricle of the RV show similar microsculpture patterns, interrupted by prominent growth ridges. The posterior auricle is slightly longer than the anterior one (ratio AA/PA = 0.92) (Table 4).</p><p>The free margin of posterior auricles is straight whereas the one in the anterior auricle is anteriorly inclined. Two well defined ribs start from the ‘auricle prismatic stage’ of the anterior auricle (n = 2) (Fig. 3D). The byssal notch becomes sinuous and the byssal sinus is more conspicuous than in the nepioconch. The active ctenolium presents three to four teeth (n = 2) (Table 4). The umbonal angle is obtuse (α =100º) (n = 2) (Table 4). The shell can be white or light yellow in color.</p></div>	https://treatment.plazi.org/id/03ED1D20FF8DFFCC439DFDA0224BA0D3	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Oviedo, Loreley;Pastorino, Guido	Oviedo, Loreley, Pastorino, Guido (2023): Description of the early shell morphology of three species of Pectinidae (Mollusca: Bivalvia) from Argentina. Zootaxa 5361 (3): 427-443, DOI: 10.11646/zootaxa.5361.3.8, URL: https://www.mapress.com/zt/article/download/zootaxa.5361.3.8/52200
03ED1D20FF8DFFCF439DF90B2433A5B0.text	03ED1D20FF8DFFCF439DF90B2433A5B0.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Zygochlamys patagonica (King 1832)	<div><p>Zygochlamys patagonica (King, 1832)</p><p>Figure 4</p><p>Prodissoconch</p><p>In the single specimen examined by scanning electron microscopy, the microsculpture of the P-1 could not be determined. Prodissoconch-2 presents commarginal growth lines (Fig. 4F). The lengths of P-1 and P-2 are 86 µm and 256 µm, respectively (n = 1), the P-1/P-2 ratio is 0.33 (Table 3).</p><p>Nepioconch</p><p>The microsculpture of the LV shows antimarginal riblets that are widening when these are crossed by thin commarginal growth (Fig. 4C, E). This pattern extends onto both the anterior and posterior auricles (Fig. 4A, B). The mean height is 2.3 mm (sd = 0.25, n = 6), the mean height of the prismatic stage of the right valve is 1.3 mm (sd = 0.20, n = 6). A radial row of protuberances accompanies the growth of the auricle prismatic stage and extends along the anterior auricle of the right valve (Fig. 4 D). The byssal notch is deep and wide.</p><p>Post-nepioconch</p><p>The nepioconch microstructure continues throughout this entire stage only that it becomes interrupted first by primary and then secondary ribs, together around 21 to 31 (mode = 28, n = 6) (Table 4). Where ribs meet commarginal growth steps, they become nodular; these nodules are best developed on the disc flanks and are more conspicuous on the LV than RV (Fig. 4A, B). The riblet-and-gutter microsculpture fills only the interspaces not crossing the ribs; they do become more pronouncedly antimarginal-like and also divergent. On the disc flanks, they meet the shell margin at a rather oblique angle. The sculpture is less conspicuous on the central disc. It is also present on both LV auricles and the posterior one of the RV.</p><p>The anterior auricle is slightly longer than the posterior one, giving an AA/PA ratio of 1.33 (n = 6) (Table 4). The free margins of the posterior auricles can be slightly anteriorly inclined and the free margins of the anterior auricle of LV is straight or inclined slightly toward anterior. The byssal notch is as wide as in the previous stage, and the active ctenolium presents two or three free hooked teeth (mode = 3; n = 6) (Fig. 4D). The mean umbonal angle is 89° (n = 6). (Table 4). Shell color is orange under natural light but less intense on the RV.</p></div>	https://treatment.plazi.org/id/03ED1D20FF8DFFCF439DF90B2433A5B0	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		MagnoliaPress via Plazi	Oviedo, Loreley;Pastorino, Guido	Oviedo, Loreley, Pastorino, Guido (2023): Description of the early shell morphology of three species of Pectinidae (Mollusca: Bivalvia) from Argentina. Zootaxa 5361 (3): 427-443, DOI: 10.11646/zootaxa.5361.3.8, URL: https://www.mapress.com/zt/article/download/zootaxa.5361.3.8/52200
