2025 in paleomalacology: Difference between revisions

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	==Ammonites==		==Ammonites==
			{\| class="wikitable sortable" align="center"
			!Name
			!Novelty
			!Status
			!Authors
			!Age
			!Type locality
			!Location
			!class=unsortable\|Notes
			!class=unsortable\|Image
		⚫	\|-
		⚫	\|
			'']''<ref name=Itierella>{{Cite journal \|last1=Pictet \|first1=A. \|last2=Hugon \|first2=B. \|last3=Pierangelini \|first3=G. \|title=''Itierella melognensis'' n.gen., n.sp., and ''Paradicostella hautevillelompnesensis'' n.gen., n.sp. (Ammonoidea, Neocomitidae, Neocomitinae), two new upper Valanginian trituberculated ammonoids from the Jura Mountains, eastern France \|year=2025 \|journal=Carnets Geol. \|volume=25 \|issue=3 \|pages=73–87 \|doi=10.2110/carnets.2025.2503 \|doi-access=free }}</ref>
			\|
			Gen. et sp. nov
			\|
			Valid
			\|
			Pictet, Hugon & Pierangelini
			\|
			] (])
			\|
			]
			\|
			{{Flag\|France}}
			\|
			A member of the family ]. The type species is ''I. melognensis''.
			\|
			\|-
			\|
			'']''<ref name=Itierella />
			\|
			Gen. et sp. nov
			\|
			Valid
			\|
			Pictet, Hugon & Pierangelini
			\|
			Early Cretaceous (Valanginian)
			\|
			Grand Essert Formation
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			{{Flag\|France}}
			\|
			A member of the family Neocomitidae. The type species is ''P. hautevillelompnesensis''.
			\|
			\|-
			\|}

	===Ammonite research===		===Ammonite research===
	* A study on shell breakages in specimens of '']'' from the Upper Cretaceous ] (], ]), interpreted as evidence of lethal attacks by ] predators, is published by Tajika et al. (2025).<ref>{{Cite journal \|last1=Tajika \|first1=A. \|last2=Rashkova \|first2=A. \|last3=Landman \|first3=N. H. \|last4=Klompmaker \|first4=A. A. \|year=2025 \|title=Lethal injuries on the scaphitid ammonoid ''Hoploscaphites nicolletii'' (Morton, 1842) in the Upper Cretaceous Fox Hills Formation, South Dakota, USA \|journal=Swiss Journal of Palaeontology \|volume=144 \|at=1 \|doi=10.1186/s13358-024-00341-6 \|doi-access=free }}</ref>		* A study on shell breakages in specimens of '']'' from the Upper Cretaceous ] (], ]), interpreted as evidence of lethal attacks by ] predators, is published by Tajika et al. (2025).<ref>{{Cite journal \|last1=Tajika \|first1=A. \|last2=Rashkova \|first2=A. \|last3=Landman \|first3=N. H. \|last4=Klompmaker \|first4=A. A. \|year=2025 \|title=Lethal injuries on the scaphitid ammonoid ''Hoploscaphites nicolletii'' (Morton, 1842) in the Upper Cretaceous Fox Hills Formation, South Dakota, USA \|journal=Swiss Journal of Palaeontology \|volume=144 \|at=1 \|doi=10.1186/s13358-024-00341-6 \|doi-access=free }}</ref>

			==Other cephalopods==
			{\| class="wikitable sortable" align="center" width="100%"
			\|-
			!Name
			!Novelty
			!Status
			!Authors
			!Age
			!Type locality
			!Location
			!Notes
			!Images
			\|-
			\|
			'']''<ref name=PPPSongetalcephalopods>{{Cite journal\|last1=Song \|first1=J. \|last2=Fang \|first2=X. \|last3=Li \|first3=W. \|last4=Wang \|first4=W. \|last5=Burrett \|first5=C. \|last6=Yu \|first6=S. \|last7=Qie \|first7=W. \|last8=Zhang \|first8=Y. \|title=New cephalopod material of Middle to Upper Ordovician from southern Xizang (Tibet), China: Taxonomy, diversity and palaeobiogeography \|year=2025 \|journal=Palaeogeography, Palaeoclimatology, Palaeoecology \|at=112744 \|doi=10.1016/j.palaeo.2025.112744 }}</ref>
			\|
			Sp. nov
			\|
			\|
			Song et al.
			\|
			]
			\|
			\|
			{{Flag\|China}}
			\|
			\|
			\|-
			\|
			'']''<ref name=PPPSongetalcephalopods />
			\|
			Sp. nov
			\|
			\|
			Song et al.
			\|
			Ordovician
			\|
			\|
			{{Flag\|China}}
			\|
			A member of ] belonging to the family ].
			\|
			\|-
			\|}

	==Gastropods==		==Gastropods==
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	\|-		\|-
	\|		\|
	'']''<ref name=EmoPunk>{{Cite journal\|last1=Sutton \|first1=M. D. \|last2=Sigwart \|first2=J. D. \|last3=Briggs \|first3=D. E. G. \|last4=Gueriau \|first4=P. \|last5=King \|first5=A. \|last6=Siveter \|first6=D. J. \|last7=Siveter \|first7=D. J. \|year=2025 \|title=New Silurian aculiferan fossils reveal complex early history of Mollusca \|journal=Nature \|pages=~~1–6~~ \|doi=10.1038/s41586-024-08312-0 \|doi-access=free }}</ref>		'']''<ref name=EmoPunk>{{Cite journal\|last1=Sutton \|first1=M. D. \|last2=Sigwart \|first2=J. D. \|last3=Briggs \|first3=D. E. G. \|last4=Gueriau \|first4=P. \|last5=King \|first5=A. \|last6=Siveter \|first6=D. J. \|last7=Siveter \|first7=D. J. \|year=2025 \|title=New Silurian aculiferan fossils reveal complex early history of Mollusca \|journal=Nature \|volume=637 \|issue=8046 \|pages=631–636 \|doi=10.1038/s41586-024-08312-0 \|pmid=39779843 \|pmc=11735398 \|doi-access=free }}</ref>
	\|		\|
	Gen. et sp. nov		Gen. et sp. nov
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	Sutton et al.		Sutton et al.
	\|		\|
	Silurian		]
	\|		\|
	Coalbrookdale Formation		]
	\|		\|
	{{Flag\|United Kingdom}}		{{Flag\|United Kingdom}}
	\|		\|
	An early ]n related to ]. The type species is ''E. vorticaudum''.		An early ] related to ]. The type species is ''E. vorticaudum''.
			\|]
⚫	\|
	\|-		\|-
	\|		\|
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	An early aculiferan related to modern ]ns. The type species is ''P. ferox''.		An early aculiferan related to modern ]ns. The type species is ''P. ferox''.
			\|]
⚫	\|
	\|-		\|-
	\|}		\|}

Latest revision as of 09:05, 18 January 2025

Overview of the events of 2025 in paleomalacology

List of years in paleomalacology

In science: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In paleontology: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In paleomammalogy: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In paleobotany: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In arthropod paleontology: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In paleoentomology: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In paleoichthyology: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In reptile paleontology: 2022; 2023; 2024; 2025; 2026; 2027; 2028

In archosaur paleontology: 2022; 2023; 2024; 2025; 2026; 2027; 2028

This list of fossil molluscs described in 2025 is a list of new taxa of fossil molluscs that were described during the year 2025, as well as other significant discoveries and events related to molluscan paleontology that occurred in 2025.

Ammonites

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Image
Itierella	Gen. et sp. nov	Valid	Pictet, Hugon & Pierangelini	Early Cretaceous (Valanginian)	Grand Essert Formation	France	A member of the family Neocomitidae. The type species is I. melognensis.
Paradicostella	Gen. et sp. nov	Valid	Pictet, Hugon & Pierangelini	Early Cretaceous (Valanginian)	Grand Essert Formation	France	A member of the family Neocomitidae. The type species is P. hautevillelompnesensis.

Ammonite research

A study on shell breakages in specimens of Hoploscaphites nicolletii from the Upper Cretaceous Fox Hills Formation (South Dakota, United States), interpreted as evidence of lethal attacks by durophagous predators, is published by Tajika et al. (2025).

Other cephalopods

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Wennanoceras remotum	Sp. nov		Song et al.	Ordovician		China
Wutinoceras multiseptum	Sp. nov		Song et al.	Ordovician		China	A member of Actinocerida belonging to the family Wutinoceratidae.

Gastropods

Gastropod research

A study on the evolution of the columellar folds in gastropods, based on data from extant and fossil taxa, is published by Vermeij (2025).

Other molluscs

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Emo	Gen. et sp. nov	Valid	Sutton et al.	Silurian	Coalbrookdale Formation	United Kingdom	An early aculiferan related to heloplacids. The type species is E. vorticaudum.
Punk	Gen. et sp. nov	Valid	Sutton et al.	Silurian	Coalbrookdale Formation	United Kingdom	An early aculiferan related to modern aplacophorans. The type species is P. ferox.

General research

Description of the assemblage of ammonites and inoceramid bivalves from the Albian strata from the Mangyshlak Anticlinorium (Kazakhstan) is published by Kennedy & Walaszczyk (2025).

References

^ Pictet, A.; Hugon, B.; Pierangelini, G. (2025). "Itierella melognensis n.gen., n.sp., and Paradicostella hautevillelompnesensis n.gen., n.sp. (Ammonoidea, Neocomitidae, Neocomitinae), two new upper Valanginian trituberculated ammonoids from the Jura Mountains, eastern France". Carnets Geol. 25 (3): 73–87. doi:10.2110/carnets.2025.2503.
Tajika, A.; Rashkova, A.; Landman, N. H.; Klompmaker, A. A. (2025). "Lethal injuries on the scaphitid ammonoid Hoploscaphites nicolletii (Morton, 1842) in the Upper Cretaceous Fox Hills Formation, South Dakota, USA". Swiss Journal of Palaeontology. 144. 1. doi:10.1186/s13358-024-00341-6.
^ Song, J.; Fang, X.; Li, W.; Wang, W.; Burrett, C.; Yu, S.; Qie, W.; Zhang, Y. (2025). "New cephalopod material of Middle to Upper Ordovician from southern Xizang (Tibet), China: Taxonomy, diversity and palaeobiogeography". Palaeogeography, Palaeoclimatology, Palaeoecology. 112744. doi:10.1016/j.palaeo.2025.112744.
Vermeij, G. J. (2025). "Repeated evolution: the case of columellar folds in gastropods". Zoological Journal of the Linnean Society. 203 (1). zlae164. doi:10.1093/zoolinnean/zlae164.
^ Sutton, M. D.; Sigwart, J. D.; Briggs, D. E. G.; Gueriau, P.; King, A.; Siveter, D. J.; Siveter, D. J. (2025). "New Silurian aculiferan fossils reveal complex early history of Mollusca". Nature. 637 (8046): 631–636. doi:10.1038/s41586-024-08312-0. PMC 11735398. PMID 39779843.
Kennedy, W. J.; Walaszczyk, I. (2025). "Ammonites and inoceramids of the Middle–Upper Albian of Mangyshlak (western Kazakhstan); systematics, biostratigraphy and biogeography". Acta Geologica Polonica. 75 (1). e37. doi:10.24425/agp.2024.152654.

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