Haasiophis to that possessed by "Pachyrhachis". Both femurs are preserved with the specimen, but the rest of the right leg is missing. The left zeugopodium, tarsus, tibia, and fibula are preserved though the tibia is disarticulated slightly. The foot is composed of three tarsal ossifications and five metatarsals. The tarsal ossifications do not show signs that the bones were connected to each other during life. Traces of two phalanges are discernible behind metatarsals two and three. Several of the skeletal characters of "Haasiophis" may be interpreted as indication of "Haasiophis" being a juvenile specimen of "Pachyrhachis". The small overall size, underdevelopment
Altun Ha is, is dated to about 600−650, which is at the beginning of the Late Classic period. The tomb is the seventh and earliest in B-4, which made the excavators designate this burial Tomb B-4/7. Tomb B-4/7 contained the skeleton of an adult male with many offerings. The body was fully extended dorsally with the skull facing south-southwest. The person had a height of 170–171 cm, with the recovered skeletal materials consisting of a fragment of the skull, the mandible, long bones, five teeth, two vertebrae, five carpal bones, the patellas, and miscellaneous metacarpals, metatarsals, and phalanges. The bulk of the