Latrogastropoda

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Latrogastropoda
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Clade: Hypsogastropoda
Superorder: Latrogastropoda
Included groups

Latrogastropoda is a clade of gastropods, considered a superorder,[1] in the subclass Caenogastropoda. It was originally proposed in 2000 by Frank Riedel to unite the predominantly predatory "higher" caenogastropod groups.[2] Latrogastropoda includes both the order Neogastropoda and some taxa classified in the paraphyletic order Littorinimorpha.[3] Latrogastropoda is equivalent to the "siphonate group" of caenogastropods recognized by Ponder and colleagues in 2008.[4][3][5] The non-neogastropod latrogastropods are broadly equivalent to the Neomesogastropoda.[1] The name Strombogastropoda was proposed by Simone in 2011 for a clade uniting stromboids with neogastropods and their close relatives,[6] and is equivalent to Ponder and colleagues' concept of Latrogastropoda.[7]

Included taxa

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  • Capuloidea: The families Capulidae and Haloceratidae were included in Latrogastropoda by Riedel in 2000 as members of Calyptraeoidea.[2] Capuloidea was regarded as a separate superfamily by Bouchet and colleagues in 2017 and excluded from Latrogastropoda,[1] but phylogenetic analysis has supported their membership in a well-supported clade with Calyptraeoidea, Velutinoidea, Tonnoidea, and Neogastropoda,[8] and they were returned to Latrogastropoda by Donald Colgan and Winston Ponder in 2025.[3]
  • Calyptraeoidea[2][1]
  • Cypraeoidea[2][1]
  • Ficoidea[2][1]
  • Stromboidea: Stromboidea was not part of Riedel's original concept of Latrogastropoda,[2] but was included in Latrogastropoda by Bouchet and colleagues in 2017.[1] Stromboidea has been recovered as the sister taxon of a clade uniting Cypraeoidea with other latrogastropods by some phylogenetic analyses.[4][3]
  • Tonnoidea: Riedel included the superfamilies Laubierinoidea and Cassoidea in Latrogastropoda; both are now regarded as belonging to Tonnoidea.
  • Velutinoidea: Riedel included the superfamily Lamellarioidea (now considered a synonym of Velutinoidea), consisting of Lamellariidae and Triviidae, as members of Latrogastropoda.[2] The velutinoid families Eratoidae, Triviidae, and Velutinidae were included in Latrogastropoda as members of Cypraeoidea by Bouchet and colleagues in 2017,[1] and were subsequently recognized as the separate superfamily Velutinoidea following the recognition that they form a well-supported clade with Calyptraeoidea, Capuloidea, Tonnoidea, and Neogastropoda to the exclusion of Cypraeoidea.[8]
  • Neogastropoda[2][1]

Formerly included groups

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  • Naticoidea: Though Naticoidea was originally included in Latrogastropoda by Riedel,[2] it was excluded from Latrogastropoda by Bouchet and colleagues in 2017[1] and phylogenetic analyses have shown Naticoidea to be closely related to Littorinidae.[9][4]
  • Hipponicidae: Hipponicidae was included in Calyptraeoidea by Riedel in 2000,[2] but is now regarded as belonging to a separate superfamily, Hipponicoidea, and excluded from Latrogastropoda.[1]

Evolutionary history

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Fossils recognizable as latrogastropods due to their protoconch are known as far back as the Aptian stage of the Cretaceous.[10] Tonnoidea and Neogastropoda are potentially descendants of the Purpurinidae, which date to the Triassic.[11] The earliest known cypraeids date to the Tithonian stage of the Jurassic.[12]

References

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  1. ^ a b c d e f g h i j k Bouchet, Philippe; Rocroi, Jean-Pierre; Hausdorf, Bernhard; Kaim, Andrzej; Kano, Yasunori; Nützel, Alexander; Parkhaev, Pavel; Schrödl, Michael; Strong, Ellen E. (2017). "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families". Malacologia. 61 (1–2): 1–526. doi:10.4002/040.061.0201. eISSN 2168-9075. ISSN 0076-2997.
  2. ^ a b c d e f g h i j Riedel, Frank (2000). "Ursprung und Evolution der "höheren" Caenogastropoda". Berliner Geowissenschaftliche Abhandlungen. E 32: 1–240.
  3. ^ a b c d Colgan, Donald J.; Ponder, Winston F. (2025-07-28). "Redefining Latrogastropoda Again and Searching for Its Sister Group in Hypsogastropoda (Gastropoda: Caenogastropoda)". Diversity. 17 (8): 524. Bibcode:2025Diver..17..524C. doi:10.3390/d17080524. ISSN 1424-2818.
  4. ^ a b c Li, Fengping; Li, Wanying; Zhang, Yu; Wang, Aimin; Liu, Chunsheng; Gu, Zhifeng; Yang, Yi (2024-07-23). "The molecular phylogeny of Caenogastropoda (Mollusca, Gastropoda) based on mitochondrial genomes and nuclear genes". Gene. 928 148790. doi:10.1016/j.gene.2024.148790. ISSN 0378-1119. PMID 39053659.
  5. ^ Ponder, Winston F.; Colgan, Donald J.; Healy, John M.; Nützel, Alexander; Simone, Luiz R. L.; Strong, Ellen E. (2008-08-31). "Caenogastropoda". Phylogeny and evolution of the Mollusca. University of California Press. ISBN 978-0-520-93370-5.
  6. ^ Simone, Luiz Ricardo L. (2011). "Phylogeny of the Caenogastropoda (Mollusca), based on comparative morphology". Arquivos de Zoologia. 32 (4): 161–323. ISSN 0066-7870.
  7. ^ Ponder, Winston Frank; Lindberg, David R.; Ponder, Juliet Mary (2020-02-13). Biology and Evolution of the Mollusca, Volume 2. Boca Raton: CRC Press. ISBN 978-1-351-11525-4.
  8. ^ a b Takano, Tsuyoshi; Warén, Anders; Kano, Yasunori (2022-05-26). "Phylogenetic position of the deep-sea snail family Haloceratidae and new insights into caenogastropod relationships". Journal of Molluscan Studies. 88 (2): –012. doi:10.1093/mollus/eyac012. eISSN 1464-3766. ISSN 0260-1230.
  9. ^ Qi, Lu; Zhang, Ning; Xu, Biyang; Xu, Qinzeng; Han, Xiao; Kong, Lingfeng; Li, Qi (2024-07-08). "Increased microgastropoda sampling give new insights into the phylogenetic relationships of Littorinoidea (Littorinimorpha)". Molecular Phylogenetics and Evolution. 199 108139. Bibcode:2024MolPE.19908139Q. doi:10.1016/j.ympev.2024.108139. ISSN 1055-7903. PMID 38986757.
  10. ^ Bandel, Klaus; Dockery, David T. (2012). "Protoconch characters of Late Cretaceous Latrogastropoda (Neogastropoda and Neomesogastropoda) as an aid in the reconstruction of the phylogeny of the Neogastropoda". Freiberger Forschungshefte, Reihe C: Paläontologie, Stratigraphie, Fazies. 20: 93–128.
  11. ^ Bakayeva, Sofia; Nützel, Alexander; Kaim, Andrzej (2024-12-18). "An elusive ancestry of Neogastropoda: a potential of Maturifusidae, Pseudotritoniidae, and Purpurinidae as the stem groups". Comptes Rendus Palevol. 23 (31). doi:10.5852/cr-palevol2024v23a31.
  12. ^ Nützel, Alexander; Schneider, Simon; Bakayeva, Sofia; Kaim, Andrzej (2025-04-22). "The earliest cowries: The origin of cypraeoid gastropods". Acta Palaeontologica Polonica. 70 (2): 213–223. doi:10.4202/app.01245.2025. ISSN 1732-2421.