<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31455279</termId><termName>Hyracotherium</termName><termType>PT</termType><termNote><![CDATA[ Genus of small dog-sized animals representing the oldest known horse; they lived in the Eocene Epoch. Characterized by a relatively short face, eye sockets nearer the middle than modern horses, and a short  space between the front teeth and the cheek teeth (diastema). ]]></termNote><termCreatedDate>2026-03-30 21:02:33</termCreatedDate><relation><relationType>UF</relationType><termId>31455280</termId><termName>Eohippus</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31455281</termId><termName>dawn horse</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31455282</termId><termName>dawn horses</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31436026</termId><termName>Equidae</termName><termType>PT</termType></relation></term>  </Zthes>