class
Merostomata
Merostomata is a class in the phylum Arthropoda. This database currently files 15 species under it, 2 of them threatened.
- Species filed
- 15
- Threatened
- 2
- Countries recorded
- 0
- With a free photo
- 20%
- Weight range
- Not recorded
What is in Merostomata?
2 orders filed directly under this class.
Best-known members of Merostomata
Ranked by popularity score.

Atlantic horseshoe crab
Limulus polyphemus

Mangrove horseshoe crab
Carcinoscorpius rotundicauda

Horseshoe crab
Tachypleus tridentatus
Horseshoe crab
Tachypleus gigas
How threatened is Merostomata?
3 of 15 species filed here have an IUCN category on record.
| IUCN category | Species | Share of assessed |
|---|---|---|
| ENEndangered | 1 | 33% |
| VUVulnerable | 1 | 33% |
| DDData Deficient | 1 | 33% |
All species in Merostomata
| Common name | Scientific name | Family | Status | Weight | Countries |
|---|---|---|---|---|---|
| Atlantic horseshoe crab | Limulus polyphemus | Limulidae | Vulnerable | Not recorded | Not recorded |
| Mangrove horseshoe crab | Carcinoscorpius rotundicauda | Limulidae | Data Deficient | Not recorded | Not recorded |
| Horseshoe crab | Tachypleus tridentatus | Limulidae | Endangered | Not recorded | Not recorded |
| Horseshoe crab | Tachypleus gigas | Limulidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Casterolimulus kletti | Limulidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Drabovaspis complexa | Not recorded | Not recorded | Not recorded | Not recorded |
| Not recorded | Limulus darwini | Limulidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Maldybulakia angusi | Not recorded | Not recorded | Not recorded | Not recorded |
| Not recorded | Maldybulakia malcomlmi | Not recorded | Not recorded | Not recorded | Not recorded |
| Not recorded | Mesolimulus walchii | Limulidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Paleolimulus mazonensis | Paleolimulidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Polonolimulus zaleziankensis | Austrolimulidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Sloveniolimulus rudkini | Not recorded | Not recorded | Not recorded | Not recorded |
| Not recorded | Tasmaniolimulus patersoni | Austrolimulidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Volanalimulus madagascarensis | Limulidae | Not recorded | Not recorded | Not recorded |