Matsya Purana — Kārtavīrya Arjuna’s Solar Boon and the Genealogy from Kroṣṭu to the Yādava Lines
शमिपुत्रः प्रतिक्षत्रः प्रतिक्षत्रस्य चात्मजः प्रतिक्षेत्रः सुतो भोजो हृदीकस्तस्य चात्मजः //
śamiputraḥ pratikṣatraḥ pratikṣatrasya cātmajaḥ pratikṣetraḥ suto bhojo hṛdīkastasya cātmajaḥ //
From Śamī was born Pratikṣatra; and Pratikṣetra was the son of Pratikṣatra. From Pratikṣetra was born Bhoja, and Hṛdīka was his son.
Nothing directly—this verse is strictly genealogical, listing successive descendants (Śami → Pratikṣatra → Pratikṣetra → Bhoja → Hṛdīka), not cosmology or Pralaya.
Indirectly: by preserving lineage memory, the Matsya Purana supports kṣatriya identity, legitimacy of rule, and the dharmic ideal of maintaining family succession and ancestral continuity.
None is stated here; the verse contains no Vastu Shastra, temple-building, iconography, or ritual procedure—only a royal/dynastic succession.