diff --git a/data/EE/61/EA/EE61EA65DB27FFB36558FE8DFEE64D64.xml b/data/EE/61/EA/EE61EA65DB27FFB36558FE8DFEE64D64.xml index 759a5f84208..619f49a2d17 100644 --- a/data/EE/61/EA/EE61EA65DB27FFB36558FE8DFEE64D64.xml +++ b/data/EE/61/EA/EE61EA65DB27FFB36558FE8DFEE64D64.xml @@ -1,75 +1,76 @@ - - - -The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden + + + +The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden - - -Author + + +Author -Thuy, Ben -8567CCB2-89C0-49B7-9D00-298804BBE29A -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. -bthuy@mnhn.lu +Thuy, Ben +8567CCB2-89C0-49B7-9D00-298804BBE29A +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. +bthuy@mnhn.lu - - -Author + + +Author -Eriksson, Mats E. -603567D0-6505-4DBF-9C41-3DE1FC7A2112 -Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. -mats.eriksson@geol.lu.se +Eriksson, Mats E. +603567D0-6505-4DBF-9C41-3DE1FC7A2112 +Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. +mats.eriksson@geol.lu.se - - -Author + + +Author -Kutscher, Manfred -2AFC9761-BB0C-4F21-B016-D96F1523B983 -Dorfstrasse 10, 18546 Sassnitz, Germany. -kreiku@web.de +Kutscher, Manfred +2AFC9761-BB0C-4F21-B016-D96F1523B983 +Dorfstrasse 10, 18546 Sassnitz, Germany. +kreiku@web.de - - -Author + + +Author -Numberger-Thuy, Lea D. -CBB06A76-6579-49EE-AFA7-E11B5F987F40 -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. -lnumberger@gmx.de +Numberger-Thuy, Lea D. +CBB06A76-6579-49EE-AFA7-E11B5F987F40 +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. +lnumberger@gmx.de -text - - -European Journal of Taxonomy +text + + +European Journal of Taxonomy - -2024 - -2024-08-21 + +2024 + +2024-08-21 - -947 + +947 - -1 + +1 - -216 -247 + +216 +247 - -https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 + +https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 -journal article -10.5852/ejt.2024.947.2631 -2118-9773 -BF7723EA-98C3-4230-AD54-E7B1CB625E8F +journal article +10.5852/ejt.2024.947.2631 +2118-9773 +13365641 +BF7723EA-98C3-4230-AD54-E7B1CB625E8F - + @@ -88,9 +89,9 @@ urn:lsid:zoobank.org:act: -Figs 4K–P +Figs 4K–P , -7 +7 @@ -181,12 +182,12 @@ Ludlow Series, Ludfordian Stage, uppermost part of the Lower Icriodontid conodon Holotype ( -Fig. 4K–L +Fig. 4K–L ) NRM PAL Ec38333 is a large dissociated proximal lateral arm plate, almost as high as long, with weakly concave dorsal edge, weakly convex ventral edge and strongly convex distal edge; proximal edge irregularly convex, with a central depression ventro-distally bordered by large, prominent and well-defined oval spur (SP) with even surface, and dorso-distally by smaller, prominent but poorly-defined spur with convex surface; outer surface with moderately coarse tuberculation except in depressed area of outer proximal edge; five relatively small, equidistant lateral spine articulations, extending from dorsal to ventral plate edge, with weak dorsal decrease in size; ventral edge devoid of incision but with six protrusions for ambulacral groove spines articulations. Inner side of lateral arm plate ( -Fig. 4L +Fig. 4L ) with large, prominent, poorly defined vertebral articular knob in dorso-proximal corner of plate, with large, deep central depression; inner distal edge with rounded, bulging dorsal and ventral corners; tentacle notch large but relatively shallow and poorly defined; five large, conspicuous ambulacral groove spine articulations all along ventral plate edge. @@ -197,7 +198,7 @@ NRM PAL Ec38333 is a large dissociated proximal lateral arm plate, almost as hig NRM PAL Ec38334 ( -Fig. 4M–N +Fig. 4M–N ) is a large dissociated median to distal lateral arm plate approximately 1.3 times as wide as high, well in agreement with holotype but with less strongly convex distal edge; proximal edge with two conspicuous knobs as in @@ -211,7 +212,7 @@ but only four instead of five; ventral edge with six small, inconspicuous protru but with even surface on ventro-distal edge; six small, poorly defined ambulacral groove spine articulations all along ventral edge; tentacle notch as in holotype . NRM PAL Ec38335 ( -Fig. 4O–P +Fig. 4O–P ) is a dissociated proximal to median vertebra, roughly cylindrical, approximately 1.3 times as long as high and slightly wider than high, with rounded triangular cross section and slightly constricted waist; large, articular surface on proximal part of lateral sides matching vertebral articular knob on inner side of lateral arm plates; water vessel canal entirely enclosed by vertebra; distal face with two large, comma-shaped, prominent, well-defined zygocondyles, dorsalwards converging and with more prominent ventral tip; opening of water vessel canal encompassed by zygosphene. diff --git a/data/EE/61/EA/EE61EA65DB3AFFAD6563FAB3FE7149F8.xml b/data/EE/61/EA/EE61EA65DB3AFFAD6563FAB3FE7149F8.xml index ca95ec16a9c..2fa23b98cff 100644 --- a/data/EE/61/EA/EE61EA65DB3AFFAD6563FAB3FE7149F8.xml +++ b/data/EE/61/EA/EE61EA65DB3AFFAD6563FAB3FE7149F8.xml @@ -1,73 +1,74 @@ - - - -The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden + + + +The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden - - -Author + + +Author -Thuy, Ben -8567CCB2-89C0-49B7-9D00-298804BBE29A -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. -bthuy@mnhn.lu +Thuy, Ben +8567CCB2-89C0-49B7-9D00-298804BBE29A +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. +bthuy@mnhn.lu - - -Author + + +Author -Eriksson, Mats E. -603567D0-6505-4DBF-9C41-3DE1FC7A2112 -Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. -mats.eriksson@geol.lu.se +Eriksson, Mats E. +603567D0-6505-4DBF-9C41-3DE1FC7A2112 +Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. +mats.eriksson@geol.lu.se - - -Author + + +Author -Kutscher, Manfred -2AFC9761-BB0C-4F21-B016-D96F1523B983 -Dorfstrasse 10, 18546 Sassnitz, Germany. -kreiku@web.de +Kutscher, Manfred +2AFC9761-BB0C-4F21-B016-D96F1523B983 +Dorfstrasse 10, 18546 Sassnitz, Germany. +kreiku@web.de - - -Author + + +Author -Numberger-Thuy, Lea D. -CBB06A76-6579-49EE-AFA7-E11B5F987F40 -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. -lnumberger@gmx.de +Numberger-Thuy, Lea D. +CBB06A76-6579-49EE-AFA7-E11B5F987F40 +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. +lnumberger@gmx.de -text - - -European Journal of Taxonomy +text + + +European Journal of Taxonomy - -2024 - -2024-08-21 + +2024 + +2024-08-21 - -947 + +947 - -1 + +1 - -216 -247 + +216 +247 - -https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 + +https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 -journal article -10.5852/ejt.2024.947.2631 -2118-9773 -BF7723EA-98C3-4230-AD54-E7B1CB625E8F +journal article +10.5852/ejt.2024.947.2631 +2118-9773 +13365641 +BF7723EA-98C3-4230-AD54-E7B1CB625E8F @@ -88,9 +89,9 @@ urn:lsid:zoobank.org:act: -Figs 4E–J +Figs 4E–J , -7 +7 @@ -142,7 +143,7 @@ PAL Ec38330. - + Fig. 4. Dissociated lateral arm plates and vertebra of ophiuroids from the Silurian of Gotland. @@ -236,12 +237,12 @@ Ludlow Series, Ludfordian Stage, uppermost part of the Lower Icriodontid conodon Holotype ( -Fig. 4E–F +Fig. 4E–F ) NRM PAL Ec38330 is a small dissociated proximal lateral arm plate approximately 1.2 times as long as high, of rounded general aspect, with weakly convex dorsal and ventral edges and strongly convex distal edge; proximal edge weakly concave, with rounded dorsal and ventral edges, and with poorly defined, central depression encompassed by broad band of more finely-meshed stereom along proximal plate edge; outer surface with very coarse, widely-spaced tuberculation composed of enlarged trabecular intersections, arranged in loose, vertical rows and covering entire outer surface except for band of more finely-meshed stereom at proximal edge; four relatively small lateral arm spine articulations in vertical row at some distance from distal edge, equidistant, two central spine articulations largest; spine articulations poorly defined, rugose but strongly prominent, with small, inconspicuous central opening; ventralmost spine articulation at ventral edge of lateral arm plate; dorsalmost spine articulation close to dorsal plate edge; ventral edge of lateral arm plate without protrusions for ambulacral groove spine articulations. Inner side of lateral arm plate ( -Fig. 4F +Fig. 4F ) with large, well-defined, weakly prominent, laterally elongate vertebral articular knob with large, shallow central depression; inner side of distal edge with two large, weakly prominent and poorly defined spurs; relatively large, deep and well-defined tentacle notch; ventral edge of lateral arm plate without incision for tentacle notch but with five small and vaguely visible ambulacral groove spine articulations. @@ -252,7 +253,7 @@ supplements and variation NRM PAL Ec38331 ( -Fig. 4G–H +Fig. 4G–H ) is a small dissociated median lateral arm plate approximately 1.3 times as long as high; in agreement with holotype but with less strongly concave proximal edge; lateral arm spine articulations as in @@ -263,7 +264,7 @@ but with larger central depression in vertebral articular knob. NRM PAL Ec38332 ( -Fig. 4I–J +Fig. 4I–J ) is a small dissociated distal lateral arm plate approximately 1.5 times as long as high; dorsal and ventral edges very weakly convex to almost straight; proximal edge almost straight; outer surface as in holotype ; three lateral arm spine articulations as in diff --git a/data/EE/61/EA/EE61EA65DB3BFFAF6577FB1CFDA44B72.xml b/data/EE/61/EA/EE61EA65DB3BFFAF6577FB1CFDA44B72.xml index a9d1bab147a..f74226fde4e 100644 --- a/data/EE/61/EA/EE61EA65DB3BFFAF6577FB1CFDA44B72.xml +++ b/data/EE/61/EA/EE61EA65DB3BFFAF6577FB1CFDA44B72.xml @@ -1,75 +1,76 @@ - - - -The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden + + + +The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden - - -Author + + +Author -Thuy, Ben -8567CCB2-89C0-49B7-9D00-298804BBE29A -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. -bthuy@mnhn.lu +Thuy, Ben +8567CCB2-89C0-49B7-9D00-298804BBE29A +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. +bthuy@mnhn.lu - - -Author + + +Author -Eriksson, Mats E. -603567D0-6505-4DBF-9C41-3DE1FC7A2112 -Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. -mats.eriksson@geol.lu.se +Eriksson, Mats E. +603567D0-6505-4DBF-9C41-3DE1FC7A2112 +Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. +mats.eriksson@geol.lu.se - - -Author + + +Author -Kutscher, Manfred -2AFC9761-BB0C-4F21-B016-D96F1523B983 -Dorfstrasse 10, 18546 Sassnitz, Germany. -kreiku@web.de +Kutscher, Manfred +2AFC9761-BB0C-4F21-B016-D96F1523B983 +Dorfstrasse 10, 18546 Sassnitz, Germany. +kreiku@web.de - - -Author + + +Author -Numberger-Thuy, Lea D. -CBB06A76-6579-49EE-AFA7-E11B5F987F40 -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. -lnumberger@gmx.de +Numberger-Thuy, Lea D. +CBB06A76-6579-49EE-AFA7-E11B5F987F40 +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. +lnumberger@gmx.de -text - - -European Journal of Taxonomy +text + + +European Journal of Taxonomy - -2024 - -2024-08-21 + +2024 + +2024-08-21 - -947 + +947 - -1 + +1 - -216 -247 + +216 +247 - -https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 + +https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 -journal article -10.5852/ejt.2024.947.2631 -2118-9773 -BF7723EA-98C3-4230-AD54-E7B1CB625E8F +journal article +10.5852/ejt.2024.947.2631 +2118-9773 +13365641 +BF7723EA-98C3-4230-AD54-E7B1CB625E8F - + @@ -88,9 +89,9 @@ urn:lsid:zoobank.org:act: -Figs 4A–D +Figs 4A–D , -7 +7 @@ -185,12 +186,12 @@ beds” or equivalents); Tjälderviken, Holotype ( -Fig. 4A–B +Fig. 4A–B ) NRM PAL Ec38328 is a dissociated proximal lateral arm plate approximately 1.3 times as long as high; dorsal edge very weakly convex, distal edge convex and proximal edge straight without central incision; narrow, poorly defined and distalwards concave depressed area at proximal edge; outer surface of lateral arm plate with fine, densely packed tubercles consisting of weakly enlarged trabecular intersections covering entire outer surface except for depressed area at proximal edge; three small lateral arm spine articulations, freestanding and weakly prominent spine articulations in vertical to slightly oblique row from ventral to dorsal edge of lateral arm plate; spine articulations relatively close to distal edge of lateral arm plate; ventral edge of lateral arm plate convex, with protrusions of five ambulacral groove spine articulations. Inner side of lateral arm plate ( -Fig. 4B +Fig. 4B ) with large, well-defined vertebral articulation in dorso-proximal corner, with clearly depressed center; inner distal edge of lateral arm plate very weakly elevated and separated from remaining outer surface by low, moderately well-defined vertical ridge; large, moderately-defined tubercle notch distally sharply bordered by ridge of elevated distal edge; ventral edge of lateral arm plate without incision for tentacle notch but with five small, poorly-defined, nearly equidistant and equal-sized ambulacral groove spine articulations. @@ -201,7 +202,7 @@ NRM PAL Ec38328 is a dissociated proximal lateral arm plate approximately 1.3 ti NRM PAL Ec38328 ( -Fig. 4C–D +Fig. 4C–D ) is a dissociated median to distal lateral arm plate approximately 1.4 times as long as high; outline, outer surface ornamentation and spine articulations as in holotype ; ventral edge with only four protrusions of ambulacral groove spine articulations. diff --git a/data/EE/61/EA/EE61EA65DB3CFFAE6565FE8DFE524A0F.xml b/data/EE/61/EA/EE61EA65DB3CFFAE6565FE8DFE524A0F.xml index bb6cc977152..a01f42b20f0 100644 --- a/data/EE/61/EA/EE61EA65DB3CFFAE6565FE8DFE524A0F.xml +++ b/data/EE/61/EA/EE61EA65DB3CFFAE6565FE8DFE524A0F.xml @@ -1,75 +1,76 @@ - - - -The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden + + + +The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden - - -Author + + +Author -Thuy, Ben -8567CCB2-89C0-49B7-9D00-298804BBE29A -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. -bthuy@mnhn.lu +Thuy, Ben +8567CCB2-89C0-49B7-9D00-298804BBE29A +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. +bthuy@mnhn.lu - - -Author + + +Author -Eriksson, Mats E. -603567D0-6505-4DBF-9C41-3DE1FC7A2112 -Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. -mats.eriksson@geol.lu.se +Eriksson, Mats E. +603567D0-6505-4DBF-9C41-3DE1FC7A2112 +Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. +mats.eriksson@geol.lu.se - - -Author + + +Author -Kutscher, Manfred -2AFC9761-BB0C-4F21-B016-D96F1523B983 -Dorfstrasse 10, 18546 Sassnitz, Germany. -kreiku@web.de +Kutscher, Manfred +2AFC9761-BB0C-4F21-B016-D96F1523B983 +Dorfstrasse 10, 18546 Sassnitz, Germany. +kreiku@web.de - - -Author + + +Author -Numberger-Thuy, Lea D. -CBB06A76-6579-49EE-AFA7-E11B5F987F40 -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. -lnumberger@gmx.de +Numberger-Thuy, Lea D. +CBB06A76-6579-49EE-AFA7-E11B5F987F40 +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. +lnumberger@gmx.de -text - - -European Journal of Taxonomy +text + + +European Journal of Taxonomy - -2024 - -2024-08-21 + +2024 + +2024-08-21 - -947 + +947 - -1 + +1 - -216 -247 + +216 +247 - -https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 + +https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 -journal article -10.5852/ejt.2024.947.2631 -2118-9773 -BF7723EA-98C3-4230-AD54-E7B1CB625E8F +journal article +10.5852/ejt.2024.947.2631 +2118-9773 +13365641 +BF7723EA-98C3-4230-AD54-E7B1CB625E8F - + @@ -88,9 +89,9 @@ urn:lsid:zoobank.org:act: -Figs 3E–L +Figs 3E–L , -7 +7 @@ -192,12 +193,12 @@ conodont Zone, Högklint Formation “undifferentiated”; Brissund, Holotype ( -Fig. 3E–F +Fig. 3E–F ) NRM PAL Ec38324 is a dissociated median to proximal lateral arm plate, approximately 1.3 times as long as high, with nearly straight dorsal edge and strongly convex distal edge; proximal edge weakly convex, without central incision and with shallow, poorly defined, semi-circular depression ventrally bordered by a poorly defined, weakly prominent oval knob; outer surface with coarse tuberculation composed of enlarged trabecular intersections covering entire outer surface except for depressed area at proximal edge; three very large, vertically elongate, equidistant lateral arm spine articulations in vertical to slightly oblique row at some distance from distal edge, freestanding and prominent; dorsalward increase in size of spine articulations; dorsalmost spine articulation separated from dorsal edge of lateral arm plate by one quarter to one fifth of lateral arm plate height; spine articulations consisting of single opening encompassed by coarse, elevated ring; ventral edge of lateral arm plate slightly convex, with strong protrusions of ambulacral groove spine articulations. Inner side of lateral arm plate with very large, sharply defined and prominent vertebral articulation knob at dorso-proximal corner of lateral arm plate; centre of knob slightly depressed. Inner distal edge of lateral arm plate ( -Fig. 3F +Fig. 3F ) slightly elevated and separated from remaining outer surface by low, moderately well-defined vertical ridge; large, well-defined tentacle notch distally sharply bordered by ridge of distal edge; ventral edge of lateral arm plate devoid of incision for tentacle notch but with five large, conspicuous, nearly equidistant ambulacral groove spine articulations. @@ -208,7 +209,7 @@ NRM PAL Ec38324 is a dissociated median to proximal lateral arm plate, approxima NRM PAL Ec38325 ( -Fig. 3G–H +Fig. 3G–H ) is a dissociated proximal lateral arm plate approximately 1.2 times as long as high; well in agreement with holotype but with slightly concave dorsal edge; lateral arm spine articulations as in @@ -219,7 +220,7 @@ but with four slightly smaller, less strongly protruding ambulacral groove spine NRM PAL Ec38326 ( -Fig. 3I–J +Fig. 3I–J ) is a dissociated median lateral arm plate similar to holotype but slightly longer and with spine articulations restricted to the ventral half of the plate. Inner side as in @@ -228,7 +229,7 @@ but slightly longer and with spine articulations restricted to the ventral half NRM PAL Ec38327 ( -Fig. 3K–L +Fig. 3K–L ) is a dissociated distal lateral arm plate approximately two times as long as high; well in agreement with holotype except for more strongly concave proximal edge; outer surface ornamentation and lateral arm spine articulations as in diff --git a/data/EE/61/EA/EE61EA65DB3FFFA86575F92BFE684F2C.xml b/data/EE/61/EA/EE61EA65DB3FFFA86575F92BFE684F2C.xml index cb9fd72c31a..7884d60711a 100644 --- a/data/EE/61/EA/EE61EA65DB3FFFA86575F92BFE684F2C.xml +++ b/data/EE/61/EA/EE61EA65DB3FFFA86575F92BFE684F2C.xml @@ -1,75 +1,76 @@ - - - -The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden + + + +The beginning of a success story: basalmost members of the extant ophiuroid clade from the Silurian of Gotland, Sweden - - -Author + + +Author -Thuy, Ben -8567CCB2-89C0-49B7-9D00-298804BBE29A -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. -bthuy@mnhn.lu +Thuy, Ben +8567CCB2-89C0-49B7-9D00-298804BBE29A +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. +bthuy@mnhn.lu - - -Author + + +Author -Eriksson, Mats E. -603567D0-6505-4DBF-9C41-3DE1FC7A2112 -Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. -mats.eriksson@geol.lu.se +Eriksson, Mats E. +603567D0-6505-4DBF-9C41-3DE1FC7A2112 +Department of Geology, Lund University, Sölvegatan 12, SE- 223 62 Lund, Sweden. +mats.eriksson@geol.lu.se - - -Author + + +Author -Kutscher, Manfred -2AFC9761-BB0C-4F21-B016-D96F1523B983 -Dorfstrasse 10, 18546 Sassnitz, Germany. -kreiku@web.de +Kutscher, Manfred +2AFC9761-BB0C-4F21-B016-D96F1523B983 +Dorfstrasse 10, 18546 Sassnitz, Germany. +kreiku@web.de - - -Author + + +Author -Numberger-Thuy, Lea D. -CBB06A76-6579-49EE-AFA7-E11B5F987F40 -Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. -lnumberger@gmx.de +Numberger-Thuy, Lea D. +CBB06A76-6579-49EE-AFA7-E11B5F987F40 +Natural History Museum Luxembourg, Department of Palaeontology, 25, rue Münster, 2160 Luxembourg-city, Luxembourg. & Dinosaurierpark Teufelsschlucht, Ferschweilerstrasse 50, 54668 Ernzen, Germany. +lnumberger@gmx.de -text - - -European Journal of Taxonomy +text + + +European Journal of Taxonomy - -2024 - -2024-08-21 + +2024 + +2024-08-21 - -947 + +947 - -1 + +1 - -216 -247 + +216 +247 - -https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 + +https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2631/12105 -journal article -10.5852/ejt.2024.947.2631 -2118-9773 -BF7723EA-98C3-4230-AD54-E7B1CB625E8F +journal article +10.5852/ejt.2024.947.2631 +2118-9773 +13365641 +BF7723EA-98C3-4230-AD54-E7B1CB625E8F - + @@ -88,9 +89,9 @@ urn:lsid:zoobank.org:act: -Figs 3A–D +Figs 3A–D , -7 +7 @@ -181,12 +182,12 @@ conodont Zone, Lower Visby Formation (units a and b); Nyhamn, Holotype ( -Fig. 3A–B +Fig. 3A–B ) NRM PAL Ec38322 is a dissociated proximal lateral arm plate, approximately 1.3 times as long as high, with very weakly convex dorsal and ventral edges and straight distal edge; proximal edge slightly oblique, with very weak central incision and semi-circular depression dorsally and ventrally bordered by poorly defined, slightly prominent but not protruding oval knobs; outer surface with trabecular intersections enlarged into medium-sized, irregular tubercles, resulting in coarse overall appearance; tuberculation on entire outer surface except for depressed area near proximal edge; three large, approximately equidistant lateral arm spine articulations (LSA) freestanding in vertical row at some distance from distal edge; dorsalmost spine articulation at some distance from dorsal edge of lateral arm plate, with dorsal third of lateral arm plate devoid of spine articulations; ventralmost spine articulation at ventral edge of lateral arm plate; two central spine articulations largest; spine articulations consisting of single opening encompassed by elevated ring; ventral edge of lateral arm plate with very weakly visible protrusions of ambulacral groove spine articulations (AGSA). Inner side of lateral arm plate ( -Fig. 3B +Fig. 3B ) with large, well-defined vertebral articulation knob with slightly depressed centre and situated directly at dorso-proximal corner of lateral arm plate; inner distal edge slightly depressed and separated from remaining inner surface by vertical ridge; large but relatively shallow tentacle notch (TN) on inner side; ventral edge of lateral arm plate without incision for tentacle notch but with four weakly developed ambulacral groove spine articulations. @@ -197,7 +198,7 @@ NRM PAL Ec38322 is a dissociated proximal lateral arm plate, approximately 1.3 t NRM PAL Ec38323 ( -Fig. 3C–D +Fig. 3C–D ) is a dissociated median to distal lateral arm plate approximately 1.5 times as long as high; overall, similar to holotype , but with convex distal edge, resulting in more rounded general outline; three spine articulations similar to those of