Matsya Purana — Ekoddiṣṭa Śrāddha
अग्निष्वात्तादिमध्यत्वं प्राप्नोत्यमृतमुत्तमम् सपिण्डीकरणादूर्ध्वं तस्मै तस्मान्न दीयते //
agniṣvāttādimadhyatvaṃ prāpnotyamṛtamuttamam sapiṇḍīkaraṇādūrdhvaṃ tasmai tasmānna dīyate //
He attains the excellent, deathless state and is placed among the groups beginning with the Agniṣvāttas. But after the rite of sapiṇḍīkaraṇa, no separate offering is to be given to him from that point onward.
This verse does not discuss pralaya; it focuses on post-death ritual theology—how the departed is integrated among the Pitṛ classes and how offerings are regulated after sapiṇḍīkaraṇa.
It instructs proper śrāddha discipline: once sapiṇḍīkaraṇa has been performed, the householder should not continue giving separate, individual offerings to the departed, but treat him as joined to the ancestral line in the regular Pitṛ rites.
Ritual significance: it specifies the śrāddha rule that separate offerings cease after sapiṇḍīkaraṇa because the deceased becomes a “sapiṇḍa,” a participant in the lineage’s ancestral piṇḍa offerings.