Arp-et-al-2021-Toarcian-Ludwigskanal-Fig-15-Ammonites.jpg

Figure 15. 1. Pleurolytoceras wrighti (Buckman), bed 27, Aalensis Subzone, Jurensismergel Formation. This species has previously been assigned to Pachylytoceras Buckman 1905, which is a junior subjective synonym of Pleurolytoceras Hyatt 1900 (Hoffmann 2010, 2015). GZG.INV.70540: d = 44 mm, di = 27 mm, u = 14 mm, wh = 19 mm, wb = 15.5 mm, rb/2 = 19. 2. Pleurolytoceras hircinum (Schlotheim), bed 27, Aalensis Subzone, Jurensismergel Formation. GZG.INV.70541: d = 27 mm, di = 18 mm, u = 10 mm, wh = 10.5 mm, wb = 10 mm, constr/2 = 6. 3. Cotteswoldia mactra (Dumortier), bed 25, Mactra Subzone, Jurensismergel Formation. GZG.INV.70542; d = 29 mm, di = 20 mm, u = 10 mm, wh = 11 mm, wb = 7 mm, rb/2 = 35. 4. Pseudolioceras beyrichi (Schloenbach), 1 cm below top of bed 28, Aalensis Subzone, Jurensismergel Formation. GZG.INV.45644: d = 34 mm, di = 21 mm, u = 6 mm, wh = 17.5 mm, wb = 10 mm, rb/2 = 15; (leg. Sebastian Demmel). 5. Paradumortieria cf. tectiforme Elmi and Caloo-Fortier, 45 cm below top of bed 24, Pseudoradiosa Subzone, Jurensismergel Formation. GZG.INV.70543: d = 32 mm, di = 23 mm, u = 13 mm, wh = 11 mm, wb = 7.5 mm; rb/2 = 20. 6. Cotteswoldia aalensis (Zieten), bed 27, Aalensis Subzone, Jurensismergel Formation. GZG.INV.70544: d = 46 mm, di = 31 mm, u = 16 mm, wh = 18 mm, wb = 9.5 mm, rb/2 = 19. 7. Dumortieria externicostata (Branco), 30 cm below top of bed 26, Aalensis Subzone, Jurensismergel Formation. GZG.INV.70545: d = 21 mm, di = 14 mm, u = 7.5 mm, wh = 8 mm, wb = 8 mm, rb/2 = 10. 8. Dumortieria costula (Reinecke), 30 cm below top of bed 26, Aalensis Subzone, Jurensismergel Formation. GZG.INV.70546: d = 36 mm, di = 26 mm, u = 12 mm, wh = 14 mm, wb = 9.5 mm, rb/2 = 11. 9. Pleydellia distans (Buckman), bed 27, Aalensis Subzone, Jurensismergel Formation. GZG.INV.70547: d = 22 mm, di = 15 mm, u = 8 mm, wh = 8 mm, wb = 6.5 mm, rb/2 = 11. 10. Dumortieria moorei (Lycett), 40 cm below top of bed 24, Pseudoradiosa Subzone, Jurensismergel Formation. GZG.INV.70548: d = 38 mm, di = 27 mm, u = 15 mm, wh = 13 mm, wb = (7 mm), rb/2 = 62. 11. Dumortieria cf. kochi Benecke, 40 cm below top of bed 24, Pseudoradiosa Subzone, Jurensismergel Formation. GZG.INV.70549: d = 37 mm, di = (27 mm), u = 14 mm, wh = 13 mm, wb = n.a., rb/2 = 17. 12. Pleydellia subcompta (Branco), 35 cm below top of bed 26, basis of Aalensis Subzone, Jurensismergel Formation. GZG.INV.70550: d = 44 mm, di = 29 mm, u = 16 mm, wh = 17 mm, wb = 9 mm, rb/2 = 30. 13. Pleydellia costulata (Zieten), 1 cm below bed 28, Aalensis Subzone, Jurensismergel Formation. GZG.INV.70551: d = 39 mm, di = 26 mm, u = 11.5 mm, wh = 16.5 mm, wb = 9 mm, rb/2 = 12. 14. Pleurolytoceras torulosum (Schübler in Zieten), bed 33, Torulosum Subzone, Opalinuston Formation. This species has previously been assigned to Pachylytoceras Buckman 1905, which is a junior subjective synonym of Pleurolytoceras Hyatt 1900 (Hoffmann 2010, 2015). GZG.INV.70552a: d = 40 mm, di = (29 mm), u = 12 mm, wh = 16 mm, wb = n.a., cstr/2 = 20. 15. Cotteswoldia lotharingica (Branco), bed 33, Torulosum Subzone, Opalinuston For-mation. GZG.INV.70553: d = 84 mm; di = 60 mm, u = 32 mm, wh = 28 mm, wb = n.a., rb/2 = (48). 16. Pleydellia buckmani Maubeuge, bed 33, Torulosum Subzone, Opalinuston Formation. GZG.INV.70554; d = (55 mm), di = n.a., u = 18 mm, wh = 26 mm, wb = n.a., rb/2 = n.a. 17. Pleydellia cf. falcifer Maubeuge, bed 33, Torulosum Subzone, Opalinuston Formation. GZG.INV.70552b: d = 40 mm, di = (27 mm), u = 12 mm, wh = 17 mm, wb = n.a., rb/2 = 20.

图版15 1. 赖氏侧叶菊石（Pleurolytoceras wrighti，Buckman），采自Jurensismergel组Aalensis亚带第27层。该物种此前曾被归属于1905年Buckman建立的厚叶菊石属（Pachylytoceras），而厚叶菊石属是1900年Hyatt建立的侧叶菊石属（Pleurolytoceras）的次客观同物异名（Hoffmann, 2010, 2015）。标本编号GZG.INV.70540：d=44 mm，di=27 mm，u=14 mm，wh=19 mm，wb=15.5 mm，rb/2=19。
2. 山羊侧叶菊石（Pleurolytoceras hircinum，Schlotheim），采自Jurensismergel组Aalensis亚带第27层。标本编号GZG.INV.70541：d=27 mm，di=18 mm，u=10 mm，wh=10.5 mm，wb=10 mm，constr/2=6。
3. 光滑科茨沃尔德菊石（Cotteswoldia mactra，Dumortier），采自Jurensismergel组Mactra亚带第25层。标本编号GZG.INV.70542：d=29 mm，di=20 mm，u=10 mm，wh=11 mm，wb=7 mm，rb/2=35。
4. 贝氏假利奥菊石（Pseudolioceras beyrichi，Schloenbach），采自Jurensismergel组Aalensis亚带第28层顶界下方1 cm处。标本编号GZG.INV.45644：d=34 mm，di=21 mm，u=6 mm，wh=17.5 mm，wb=10 mm，rb/2=15；（采集人：Sebastian Demmel）。
5. 构造假杜莫蒂菊石近似种（Paradumortieria cf. tectiforme，Elmi and Caloo-Fortier），采自Jurensismergel组Pseudoradiosa亚带第24层顶界下方45 cm处。标本编号GZG.INV.70543：d=32 mm，di=23 mm，u=13 mm，wh=11 mm，wb=7.5 mm；rb/2=20。
6. 阿尔让斯科茨沃尔德菊石（Cotteswoldia aalensis，Zieten），采自Jurensismergel组Aalensis亚带第27层。标本编号GZG.INV.70544：d=46 mm，di=31 mm，u=16 mm，wh=18 mm，wb=9.5 mm，rb/2=19。
7. 外肋杜莫蒂菊石（Dumortieria externicostata，Branco），采自Jurensismergel组Aalensis亚带第26层顶界下方30 cm处。标本编号GZG.INV.70545：d=21 mm，di=14 mm，u=7.5 mm，wh=8 mm，wb=8 mm，rb/2=10。
8. 细肋杜莫蒂菊石（Dumortieria costula，Reinecke），采自Jurensismergel组Aalensis亚带第26层顶界下方30 cm处。标本编号GZG.INV.70546：d=36 mm，di=26 mm，u=12 mm，wh=14 mm，wb=9.5 mm，rb/2=11。
9. 分散普莱德尔菊石（Pleydellia distans，Buckman），采自Jurensismergel组Aalensis亚带第27层。标本编号GZG.INV.70547：d=22 mm，di=15 mm，u=8 mm，wh=8 mm，wb=6.5 mm，rb/2=11。
10. 穆尔杜莫蒂菊石（Dumortieria moorei，Lycett），采自Jurensismergel组Pseudoradiosa亚带第24层顶界下方40 cm处。标本编号GZG.INV.70548：d=38 mm，di=27 mm，u=15 mm，wh=13 mm，wb=(7 mm)，rb/2=62。
11. 科赫杜莫蒂菊石近似种（Dumortieria cf. kochi，Benecke），采自Jurensismergel组Pseudoradiosa亚带第24层顶界下方40 cm处。标本编号GZG.INV.70549：d=37 mm，di=(27 mm)，u=14 mm，wh=13 mm，wb=无数据，rb/2=17。
12. 亚丰满普莱德尔菊石（Pleydellia subcompta，Branco），采自Jurensismergel组Aalensis亚带基部第26层顶界下方35 cm处。标本编号GZG.INV.70550：d=44 mm，di=29 mm，u=16 mm，wh=17 mm，wb=9 mm，rb/2=30。
13. 细肋普莱德尔菊石（Pleydellia costulata，Zieten），采自Jurensismergel组Aalensis亚带第28层下方1 cm处。标本编号GZG.INV.70551：d=39 mm，di=26 mm，u=11.5 mm，wh=16.5 mm，wb=9 mm，rb/2=12。
14. 扭侧叶菊石（Pleurolytoceras torulosum，Schübler in Zieten），采自Opalinuston组Torulosum亚带第33层。该物种此前曾被归属于1905年Buckman建立的厚叶菊石属（Pachylytoceras），而厚叶菊石属是1900年Hyatt建立的侧叶菊石属（Pleurolytoceras）的次客观同物异名（Hoffmann, 2010, 2015）。标本编号GZG.INV.70552a：d=40 mm，di=(29 mm)，u=12 mm，wh=16 mm，wb=无数据，cstr/2=20。
15. 洛塔林科茨沃尔德菊石（Cotteswoldia lotharingica，Branco），采自Opalinuston组Torulosum亚带第33层。标本编号GZG.INV.70553：d=84 mm；di=60 mm，u=32 mm，wh=28 mm，wb=无数据，rb/2=(48)。
16. 巴克曼普莱德尔菊石（Pleydellia buckmani，Maubeuge），采自Opalinuston组Torulosum亚带第33层。标本编号GZG.INV.70554：d=(55 mm)，di=无数据，u=18 mm，wh=26 mm，wb=无数据，rb/2=无数据。
17. 镰形普莱德尔菊石近似种（Pleydellia cf. falcifer，Maubeuge），采自Opalinuston组Torulosum亚带第33层。标本编号GZG.INV.70552b：d=40 mm，di=(27 mm)，u=12 mm，wh=17 mm，wb=无数据，rb/2=20。