Ellesmerocerida

Ellesmerocerida inclui 32 filhos:

• Acaroceratidae
• Balkoceratidae
• Bassleroceratidae
• Bassleroceratidae
• Bathmoceratidae
• Bathmoceratidae
• Cyclostomiceratidae
• Cyclostomiceratidae
• Ellesmeroceratidae
• Ellesmeroceratidae
• Eothinoceratidae
• Huaiheceratidae
• NO_FAMILY_SPECIFIED
• Plectronoceratidae
• Plectronoceratidae
• Protocycloceratidae
• Protocycloceratidae
• Rioceratidae
• Rudolfoceratidae
• Shideleroceratidae
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