''Tachypleus'' is a genus of
south
South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west.
Etymology
The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...
,
southeast
The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sepa ...
and
east Asia
East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea ...
n horseshoe crabs in the family
Limulidae
Horseshoe crabs are marine and brackish water arthropods of the family Limulidae and the only living members of the order Xiphosura. Despite their name, they are not true crabs or crustaceans: they are chelicerates, most closely related to arach ...
.
Species
There are two extant (living) species:
* ''
Tachypleus gigas
''Tachypleus gigas'', commonly known as the Indo-Pacific horseshoe crab, Indonesian horseshoe crab, Indian horseshoe crab, or southern horseshoe crab, is one of the four extant (living) species of horseshoe crab. It is found in coastal water in S ...
''
(Müller Müller may refer to:
* ''Die schöne Müllerin'' (1823) (sometimes referred to as ''Müllerlieder''; ''Müllerin'' is a female miller) is a song cycle with words by Wilhelm Müller and music by Franz Schubert
* Doctor Müller, fictional character ...
, 1785)
* ''
Tachypleus tridentatus
''Tachypleus tridentatus'', commonly known as the Chinese horseshoe crab, Japanese horseshoe crab, or tri-spine horseshoe crab, is a species of horseshoe crab found in Southeast and East Asia, with records from China, Indonesia, Japan, South Ko ...
''
(Leach
Leach may refer to:
* Leach (surname)
* Leach, Oklahoma, an unincorporated community, United States
* Leach, Tennessee, an unincorporated community, United States
* Leach Highway, Western Australia
* Leach orchid
* Leach phenotype, a mutation in ...
, 1819)
And two extinct species only known from fossil.
* ''
Tachypleus decheni
''Tachypleus'' is a genus of south, southeast and east Asian horseshoe crabs in the family Limulidae.
Species
There are two extant (living) species:
* ''Tachypleus gigas'' (Müller, 1785)
* ''Tachypleus tridentatus'' (Leach, 1819)
And two exti ...
''
(Zincken, 1862) Upper
Eocene
The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...
Domsen Sands, Germany
* ''
Tachypleus syriacus
''Tachypleus'' is a genus of south, southeast
The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal dir ...
''
(Woodward, 1879) Upper Cretaceous (
Cenomanian) Haqel and
Hjoula Konservat-Lagerstatten, Lebanon
References
External links
*
Xiphosura
Extant Cenomanian first appearances
Chelicerate genera
Taxonomy articles created by Polbot
{{Chelicerata-stub