taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03C98792D3242304FCEBFE26E613272E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620213/files/figure.png	https://doi.org/10.5281/zenodo.13620213	Fig. 8. Reconstruction of ventral interior of Perigeyella costellata Wang, 1955 (based on specimen NMV P309620).	Fig. 8. Reconstruction of ventral interior of Perigeyella costellata Wang, 1955 (based on specimen NMV P309620).	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D324230AFCEBFA2AE7DD2176.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620215/files/figure.png	https://doi.org/10.5281/zenodo.13620215	Fig. 9. Selected serial sections of the ventral umbo of Meekella beipeiensis Chen sp. nov. (based on specimen NMV P309627) showing closely situated, parallel dental plates. The numbers are distance from the ventral beak; the orientation of the sections is with ventral surfaces upward.	Fig. 9. Selected serial sections of the ventral umbo of Meekella beipeiensis Chen sp. nov. (based on specimen NMV P309627) showing closely situated, parallel dental plates. The numbers are distance from the ventral beak; the orientation of the sections is with ventral surfaces upward.	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32A230AFCEBFAF1E6DE2596.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620217/files/figure.png	https://doi.org/10.5281/zenodo.13620217	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D3282308FFA1FB2BE6982443.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620217/files/figure.png	https://doi.org/10.5281/zenodo.13620217	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D3282308FFA1FB2BE6982443.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620219/files/figure.png	https://doi.org/10.5281/zenodo.13620219	Fig. 11. Ventral interior of Transennatia gratiosa (Waagen, 1884); based on a ventral internal mold NMV P309639.	Fig. 11. Ventral interior of Transennatia gratiosa (Waagen, 1884); based on a ventral internal mold NMV P309639.	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32F230FFFA1F9FDE66321D5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620221/files/figure.png	https://doi.org/10.5281/zenodo.13620221	Fig. 12. Interiors of Niutoushania chongqingensis Chen sp. nov. (based on specimen NMV P309641); ventral valve (A) and dorsal valve (B).	Fig. 12. Interiors of Niutoushania chongqingensis Chen sp. nov. (based on specimen NMV P309641); ventral valve (A) and dorsal valve (B).	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32F230FFFA1FD0DE24A27F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620217/files/figure.png	https://doi.org/10.5281/zenodo.13620217	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32F230DFCEBFC17E28F2072.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620221/files/figure.png	https://doi.org/10.5281/zenodo.13620221	Fig. 12. Interiors of Niutoushania chongqingensis Chen sp. nov. (based on specimen NMV P309641); ventral valve (A) and dorsal valve (B).	Fig. 12. Interiors of Niutoushania chongqingensis Chen sp. nov. (based on specimen NMV P309641); ventral valve (A) and dorsal valve (B).	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32F230DFCEBFC17E28F2072.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620225/files/figure.png	https://doi.org/10.5281/zenodo.13620225	Fig. 13. Niutoushania (A, B) and Edriosteges (C–G) from the 1st member of the Lungtan Formation of Daijiagou. A, B. Niutoushania chongqingensis Chen sp. nov., anteroventral (A1), posterior (A2), and dorsal (A3) views of holotype NMV P309641 (A). B. Fragment of a ventral external mold NMV P309642 showing regularly spaced costae and fine spine bases. C–G. Edriosteges poyangensis (Kayser, 1883), dorsal (C, D2, E, F), anterodorsal (D1), and ventral (G) views of four dorsal external molds NMV P309632 (C), NMV P309630 (D), NMV P309629 (E), NMV P309631 (F), and a ventral valve NMV P309633 (G).	Fig. 13. Niutoushania (A, B) and Edriosteges (C–G) from the 1st member of the Lungtan Formation of Daijiagou. A, B. Niutoushania chongqingensis Chen sp. nov., anteroventral (A1), posterior (A2), and dorsal (A3) views of holotype NMV P309641 (A). B. Fragment of a ventral external mold NMV P309642 showing regularly spaced costae and fine spine bases. C–G. Edriosteges poyangensis (Kayser, 1883), dorsal (C, D2, E, F), anterodorsal (D1), and ventral (G) views of four dorsal external molds NMV P309632 (C), NMV P309630 (D), NMV P309629 (E), NMV P309631 (F), and a ventral valve NMV P309633 (G).	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32C230CFFA1FB37E7252447.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620217/files/figure.png	https://doi.org/10.5281/zenodo.13620217	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	Fig. 10. A. Meekella kueichowensis (Huang, 1933), dorsal (A1), ventral (A2), and lateral (A3) views of NMV P309622. B. Chengxianoproductus cf. changxingensis Liao and Meng, 1986, ventral (B1), posterior (B2), lateral (B3), and dorsal (B4) views of NMV P309640 (B); B5, enlargement of fine, densely arranged spine bases of B1. C, D. Spinomarginifera alpha Huang, 1932, lateral (C1), posterior (C2), ventral (C3), and dorsal (D) views of a complete specimen NMV P309643 and a dorsal external mold NMV P309644. E–H. Transennatia gratiosa (Waagen, 1884), ventral (E1, G, H1), anteroventral (E2, H2), posterior (E3, H3), lateral (E4, H4), and internal (F) views of a ventral internal mold NMV P309639 (E), and latex replica NMV P309638 (F) of the ventral internal mold (E –E), a ventral internal mold NMV P309636 (G) and a dorsal external mold NMV P309637 (H –H). A, E, F, G, from the 4th member of the Lungtan For1 4 1 4 mation of Daijiagou; B, from the 1st member of the Lungtan Formation of Daijiagou; C, D, H, from the 5th member of the Lungtan Formation of Daijiagou.	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32C230CFFA1FB37E7252447.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620227/files/figure.png	https://doi.org/10.5281/zenodo.13620227	Fig. 14. Cardinal process of Chengxianoproductus cf. changxingensis Liao and Meng, 1986 (based on specimen NMV P309640).	Fig. 14. Cardinal process of Chengxianoproductus cf. changxingensis Liao and Meng, 1986 (based on specimen NMV P309640).	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D32C2313FCEBF875E2E027BA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620225/files/figure.png	https://doi.org/10.5281/zenodo.13620225	Fig. 13. Niutoushania (A, B) and Edriosteges (C–G) from the 1st member of the Lungtan Formation of Daijiagou. A, B. Niutoushania chongqingensis Chen sp. nov., anteroventral (A1), posterior (A2), and dorsal (A3) views of holotype NMV P309641 (A). B. Fragment of a ventral external mold NMV P309642 showing regularly spaced costae and fine spine bases. C–G. Edriosteges poyangensis (Kayser, 1883), dorsal (C, D2, E, F), anterodorsal (D1), and ventral (G) views of four dorsal external molds NMV P309632 (C), NMV P309630 (D), NMV P309629 (E), NMV P309631 (F), and a ventral valve NMV P309633 (G).	Fig. 13. Niutoushania (A, B) and Edriosteges (C–G) from the 1st member of the Lungtan Formation of Daijiagou. A, B. Niutoushania chongqingensis Chen sp. nov., anteroventral (A1), posterior (A2), and dorsal (A3) views of holotype NMV P309641 (A). B. Fragment of a ventral external mold NMV P309642 showing regularly spaced costae and fine spine bases. C–G. Edriosteges poyangensis (Kayser, 1883), dorsal (C, D2, E, F), anterodorsal (D1), and ventral (G) views of four dorsal external molds NMV P309632 (C), NMV P309630 (D), NMV P309629 (E), NMV P309631 (F), and a ventral valve NMV P309633 (G).	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
03C98792D3332312FCEBFBBEE3C92648.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13620231/files/figure.png	https://doi.org/10.5281/zenodo.13620231	Fig. 15. Ventral interior of Permophricodothyris grandis (Huang, 1933) showing well−developed muscle scars (based on specimen NMV P309621).	Fig. 15. Ventral interior of Permophricodothyris grandis (Huang, 1933) showing well−developed muscle scars (based on specimen NMV P309621).	2005-12-31	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio		Zenodo	biologists	Chen, Zhong-Qiang;Campi, Monica J.;Shi, Guang R.;Kaiho, Kunio			
