New poraspids (Agnatha, Heterostraci) from the Early Devonian of the western United States

Keyphrases

• Western United States 100%
• Agnatha 100%
• Heterostraci 100%
• Early Devonian 100%
• Canyon 50%
• Valley of Death 50%
• Utah 50%
• Predation 50%
• Eurypterids 50%
• Emsian 50%
• Geographic Range 50%
• Western Europe 50%
• Late Silurian 50%
• Spitsbergen 50%
• Canadian Arctic Archipelago 50%
• Burro 50%
• Puncture Wound 50%
• Pridoli 50%
• Finger-like 50%
• Growth Lines 50%

Earth and Planetary Sciences

• United States 100%
• Early Devonian 100%
• California 50%
• Utah 50%
• Predation 50%
• Devonian 50%
• Emsian 50%
• New Species 50%
• Silurian 50%
• Western Europe 50%
• Pridoli 50%