Sometimes taxonomists create new names for groups that already have a name. They may do this because they are unaware of the original name, or they may think the organism before them belongs to a different group when in fact it does not. If two or more names are found to apply to the same group, they are considered synonyms. In most cases, the first name takes priority and is considered to be the valid or accepted name. However, there can be exceptions, and it's not always easy to determine which of a series of synonyms should be considered valid or accepted. Here we list the synonyms provided to EOL by our classification partners. We also include other versions of the name that most likely refer to the same group, for example, misspellings in the literature or different variations of the authorship associated with the name.

Preferred marks the preferred name from each source.

Paleobiology Database

Name Relationship
Hyperoodon ampullatus (Forster, 1770) Preferred
Lagenocetus latifrons (Forster 1770) Valid
Balaena ampullata Forster, 1770
Delphinus diodon Lacepede 1804 Heterotypic synonym
Hyperoodon butskopf Lacepede 1804
Hyperodon butskopf (Lacepede 1804)
Hyperoodon butzkopf (Lacepede 1804)
Hyperoodon latifrons Gray, 1846
Hyperoodon rostratum Wesamel 1840
Hyperoodon rostratus (Wesamel 1840)
Hyperoodon hunteri (Gray 1846)
Delphinus hunteri Gray 1846
Hyperoodon borealis Nilsson, 1820

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Hyperoodon ampullatus (Forster, 1770) Preferred
Hyperoodon butskopf (Bonnaterre, 1789) Synonym
Hyperoodon latifrons Gray, 1846
Hyperoodon rostratus (Müller, 1776)
Balaena rostrata Müller, 1776
Balaena ampullata Forster, 1770

Integrated Taxonomic Information System (ITIS)

Name Relationship
Hyperoodon ampullatus (Forster, 1770) Preferred
Hyperoodon butskopf (Bonnaterre, 1789) Junior synonym
Hyperoodon latifrons Gray, 1846
Hyperoodon rostratus (Müller, 1776)
Balaena rostrata Müller, 1776
Balaena ampullata Forster, 1770 Original name/combination

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