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Merostomata is a
class of
chelicerate arthropods that
contains the
extinct Eurypterida (sea scorpions) and the
extant Xiphosura (horseshoe crabs). The...
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Merostomata is
still seen in textbooks,
without reference to the Eurypterida, some have
urged that this
usage should be discouraged. The
Merostomata label...
- Subphylum:
Chelicerata class:
Arachnida Lamarck, 1801
Orders Ricinulei ?
Merostomata ?Xiphosura –
horseshoe crabs ?Eurypterida - sea
scorpions Opiliones –...
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Pycnogonida (sea spiders)
Euchelicerata Merostomata (horseshoe crabs, sea scorpions)
Arachnida (spiders, scorpions, ticks, mites)...
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Plenary Powers, of the
generic name
Limulus Müller (O. F.), 1785 (class
Merostomata) and
confirmation of the
entry of that name on the 'Official List of...
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Pycnogonida (sea spiders)
Euchelicerata Merostomata (horseshoe crabs, sea scorpions)
Arachnida (spiders, scorpions, ticks, mites)...
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Pycnogonida (sea spiders)
Euchelicerata Merostomata (horseshoe crabs, sea scorpions)
Arachnida (spiders, scorpions, ticks, mites)...
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classified the
Merostomata as a
subclass within the Arachnida,
raised to the rank of class. In 1866,
Ernst Haeckel classified the
Merostomata (containing...
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Pycnogonida (sea spiders)
Euchelicerata Merostomata (horseshoe crabs, sea scorpions)
Arachnida (spiders, scorpions, ticks, mites)...
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Pycnogonida (sea spiders)
Euchelicerata Merostomata (horseshoe crabs, sea scorpions)
Arachnida (spiders, scorpions, ticks, mites)...