Atrypida

Atrypida; Temporal range:
	Atrypa reticularis
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Class:	Rhynchonellata
Order:	†Atrypida
Families
	†Atrypidae; †Atrypinidae; †Atrypoidea; †Carinatinidae; †Glassiidae; †Karpinskiidae; †Kellerellidae; †Lissatrypidae; †Palaferellidae; †Punctatrypidae; †Tuvaellidae; †Zygospiridae;

Atrypida is an extinct order of rhynchonelliform brachiopods. They first appeared in middle Ordovician and survived the Ordovician-Silurian extinction, becoming the dominant brachiopods of the Silurian alongside the order Pentamerida.³⁴ They would survive into the Late Devonian before going extinct at the end of the Frasnian (Late Devonian).²

References

Atrypida Temporal range: ¹²

Atrypa reticularis
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Class:	Rhynchonellata
Order:	†Atrypida
Families
†Atrypidae †Atrypinidae †Atrypoidea †Carinatinidae †Glassiidae †Karpinskiidae †Kellerellidae †Lissatrypidae †Palaferellidae †Punctatrypidae †Tuvaellidae †Zygospiridae