Slightly old sea creatures and their shells. From Louis-Charles Keiner work “Spécies général et iconographie des coquilles vivantes comprenant la collection du Muséum d’histoire naturelle de Paris” which was published in Paris around 1840.

“Porcelain Cypraea: 1. Porcelaine tigre (cypraea tigris). 2. Porcelaine carneole (cypraea carneola). 3. Porcelaine grenue (cypraea nuclens).” Page 179. Collections of and digitalized by the University Library, University of Illinois Urbana Champaign. In the public domain due to age. via https://www.biodiversitylibrary.org/item/19864#page/179/mode/1up
Porcelain Cypraea: 1. Porcelain livide (Cypraea stercoraria). 2. Porcelaine taupe (Cypraea talpa)”. Page 201. Collections of and digitalized by the University Library, University of Illinois Urbana Champaign. In the public domain due to age. via https://www.biodiversitylibrary.org/item/19864#page/201/mode/1up
Porcelain Cypraea: 1. Porcelaine tigre (Cypraea tigris). 2. Porcelaine pacifique (Cypraea pacifica). 3. Porcelaine subrostrée (Cypraea subrostrata). Page 267. Collections of and digitalized by the University Library, University of Illinois Urbana Champaign. In the public domain due to age. via https://www.biodiversitylibrary.org/item/19864#page/267/mode/1up
“Ovule (Ovula): Ovule des Moluques (Ovula oviformis Lam).” Page 321. Collections of and digitalized by the University Library, University of Illinois Urbana Champaign. In the public domain due to age. via https://www.biodiversitylibrary.org/item/19864#page/321/mode/1up
“Ovule (Ovula): 1. Ovule anguleuse (Ovula angulosa). 2. Ovule gibbeuse (Ovula gibbosa). 3. Ovule a verrues (Ovula verricosa). 4. Ovule de l”Adriatique (Ovula Adriatici).” Page 323. Collections of and digitalized by the University Library, University of Illinois Urbana Champaign. In the public domain due to age. via https://www.biodiversitylibrary.org/item/19864#page/323/mode/1up
“Ancillaire (Ancillaria): 1. Ancillaire bordee (Ancillaria marginata). 2. Ancillaire australe (Ancillaria australis). 3. Ancillaire Australe jeune (Ancillairia australis junior). 4. Ancillaire blanche (Ancillaria candida).” Page 379. Collections of and digitalized by the University Library, University of Illinois Urbana Champaign. In the public domain due to age. via https://www.biodiversitylibrary.org/item/19864#page/379/mode/1up

Still lifes with sea shells. One with flowers, too. French. Antoine Berjon, artist (1754-1843). Worked in watercolor and oils along with pastels. Designed silks in Lyon, too.

“Still Life With Flowers, Shells, a Shark’s Head, and Petrifications.” 1819. Oil. Collections of the Philadelphia Museum of Art. In the public domain in the United States because the artist died over 100 years ago. via https://en.wikipedia.org/wiki/File:Antoine_Berjon,Still_Life_With_Flowers,_Shells,_a_Shark%27s_Head,_and_Petrifications(1819).jpg
“Coquillages et Madreposes.” Undated. French. Collections of the Musee des Beaux-Arts, Lyon. Image source: the Bridgeman Art Library. In the public domain in the United States because the artist has been dead over 100 years. via https://commons.wikimedia.org/wiki/File:Berjon,Antoine%E2%80%94Still_Life_of_Shells_and_Coral.jpg and https://www.walmart.com/ip/Coquillages-et-Madreposes-Antoine-Berjon-1754-1843French-Musee-des-Beaux-Arts-Lyon-Canvas-Art-Antoine-Berjon-18-x-24/184454044?wmlspartner=wlpa&selectedSellerId=0
“Still life of seashells.” Early 19th c. Oil on zinc. School of Antoine Berjon. Image source: © Sotheby’s. Fair use license. via https://www.flickr.com/photos/eoskins/24787919558

Seashells from 1811 that look just like the ones on the beach, taken from George Brown’s “The Elements of Conchology, or, Natural History of Shells” which was published in London in 1816. All the plates being signed by George Brown and Robert Scott.

elementsofconcho01brow_0008
“Univalve.” Plate 9, page 7. Collections of and digitalized by the Smithsonian Libraries. In the public domain due to age. via https://archive.org/details/elementsofconcho01brow/page/n7/mode/2up

elementsofconcho01brow_0187 2
“Parts of shells,Multivalve and bivalve.’ Plate 1, page 186. Collections of and digitalized by the Smithsonian Libraries. In the public domain due to age. via https://archive.org/details/elementsofconcho01brow/page/n186/mode/1up

elementsofconcho01brow_0189 (1)
“Parts of shells, bivalve and univalve. Plate 2, page 188. Collections of and digitalized by the Smithsonian Libraries. In the public domain. via https://archive.org/details/elementsofconcho01brow/page/n188/mode/1up

elementsofconcho01brow_0191
“Parts of shells, univalve.” Plate 3, page 191. Collections of and digitalized by the Smithsonian Libraries. Fair use licence. via https://archive.org/details/elementsofconcho01brow/page/n190/mode/1up

Paintings of shells to hang up and pretend you live in the aquarium. Dutch. Balthasar van der Ast, painter. Living from 1593 or 1594 to 1657, he liked to paint lizards too.

"Dreizehn Gehäuse von Muscheln und Schnecken." 17th c.
“Dreizehn Gehäuse von Muscheln und Schnecken.” 17th c. Dutch. Pen and watercolors on gray primed thin cardboard with a green line frame. Collection of the Kupferstich-Kabinett, Dresden. Image © Kupferstich-Kabinett, Dresden and skd-online-collection.skd.museum. Fair use license. via https://skd-online-collection.skd.museum/Details/Index/539412

"Flowers, shells and insects on a stone ledge."No date.
“Flowers, shells and insects on a stone ledge.” No date. Oil on panel. Signed signed “B. van der. Ast” on the lower left. Image © CHRISTIE’S 2019. Fair use license. via https://www.christies.com/lotfinder/Lot/balthasar-van-der-ast-middelburg-15934-1657-delft-5584795-details.aspx

Seashells. 1630-50. Dutch.
Seashells. 1630-50. Dutch. Collection of the Phoenix Art Museum. In the public domain due to age. via https://huntingforsnails.wordpress.com/tag/liguus-fasciatus/